Travel agencies are mainly offering short trips. Major travel agencies say prices have fallen by 10 to 20% from the same period last year.
据一些大型旅行社透露，今年五一主打短线游，价格较去年同期下降10%到20%。
2
The job offering is active for a specified period of time.
招聘在指定时间内处于活动状态。
3
This paper introduced the design method of the period measure system of electronic bomb controller, offering the detailed hardware constituents and the software design method.