改进题：The contract stipulates that four month's notice be given by

改进题：The contract stipulates that four month's notice be given by letter of the intention to terminate it.

译文：合同规定，以终止合同的书信形式提前4个月给予通知。
【正确答案】：改进的译文：合同规定，如想中止合同须提前4个月给予书面通知。
【题目解析】：p153