1) The contract comes into effect today, we can't go back on our word now. 契約已於今日生效，我們不能反悔了
2) Once the contract is approved by the Chinese government, it is legally binding upon both parties. 契約一經中國政府批准，對雙方就有了法律約束力。
3) We have to hold you to the contract. 我們不得不要求你們按契約辦事。
4) You must put their rights and interest into a contract. 你們必須把他們的權益訂在契約中。
5) We always carry out the terms o four contract to the letter and stand by what we say. 我們堅持重契約，守信用。
6) It's clearly a breach of contract. 這顯然是違反了契約。
7) Any deviation from the contract will be unfavourable. 任何違反契約之事都是不利的。
8) The buyer has the option of canceling the contract. 買主有權撤銷契約。
9) You have no grounds for backing out of the contract. 你們沒有正當理由背棄契約。
10) In case one party fails to carry out the contract, the other party is entitled to cancel the contract. 如果一方不執行契約，另一方有權撤銷該契約。
11) Are you worrying about the non-execution of the contract and non-payment on our part? 你是否擔心我們不履行契約或者拒不付款？
12) You cannot cancel the contract without first securing our agreement. 如果沒有事先徵得我們同意，你們不能取消契約。
13) This contract will come into force as soon as it is signed by two parties. 契約一經雙方簽定即生效。
14) Once a contract is made, it must be strictly implemented. 契約一旦確定就應嚴格執行。
15) Words and Phrase to bring a contract into effect. 使契約生效。
單字
1. to come into effect 生效
2. to go (enter)into force 生效
3. to cease to be in effect/force 失效
4. to carry out a contract 執行契約
5. to execute/implement/fulfil/perform a contract 執行契約
6. cancellation of contract 撤銷契約
7. breach of contract 違反契約
8. to break the contract 毀約
9. to cancel the contract 撤銷契約
10. to tear up the contract 撕毀契約
11. to approve the contract 審批契約
12. to honour the contract 尊重契約
13. to annual the contract 廢除契約
14. to terminate the contract 解除契約
15. to alter the contract 修改契約
16. to abide by the contract 遵守契約
17. to go back on one's words 反悔
18. to be legally binding 受法律約束
19. to stand by 遵守
20. non-payment 拒不付款
21. to secure one's agreement 徵得.. .的同意
22. Additional Words and Phrases contract price 契約價格
23. contract wages 契約工資
24. contract note 買賣契約（證書）
25. contract of employment 僱傭契約
26. contract of engagement 僱傭契約
27. contract of carriage 運輸契約
28. contract of arbitration 仲裁契約
29. contract for goods 訂貨契約
30. contract for purchase 採購契約
31. contract for service 勞務契約
32. contract for future delivery 期貨契約
33. contract of sale 銷售契約
34. contract of insurance 保險契約
35. contract sales 訂約銷售
36. contract law 合同法
37. to ship a contract 裝運契約的貨物
38. contractual dispute 契約上的爭議
39. a long-term contract 長期契約
40. a short-term contract 短期契約
41. contract parties 契約當事人
42. contractual practice/usage 契約慣例
43. contractual claim 根據契約的債權
44. contractual liability/obligation 契約規定的義務
45. contractual income 契約收入
46. contractual specifications 契約規定
47. contractual terms & conditions 契約條款和條件
48. contractual guarantee 契約規定的擔保
49. contractual damage 契約引起的損害
50. contractual-joint-venture 合作經營，契約式聯合經營
51. completion of contract 完成契約
52. execution of contract 履行契約
53. performance of contract 履行契約
54. interpretation of contract 解釋契約
55. expiration of contract 契約期滿
56. renewal of contract 契約的續訂
