required

required的英语例句

1. The demand generated by one factory required the construction of another.

   一家工厂产生的需求使得必须再建造一家工厂。

2. Interest is paid monthly. Three months' notice is required for withdrawals.

   利息按月支付。提款须提前3个月通知银行。

3. Unions are required to give seven days' notice of industrial action.

   工会组织劳工行动应提前7天作出声明。