in-period和for-period分布是什么意思,有啥区别?in-period和for-period分别是什么意思，有啥区别？

in-period和for-period分布是什么意思,有啥区别?in-period和for-period分别是什么意思，有啥区别？ period draw period for the during the period 和over the period Thanks for meeting you in this period是什么意识 for / over the period 区别 profit for the period是什么意思 in the corresponding period last 定语从句中that可以修饰period吗,一般说in...period还是on.period? transition period和transitional period的区别?如题. 请问period的用法,一般是on the period还是in the period还是直接说I have the period?当period解释为月经的时候 Why silent for a period of time interest charges for 150 days usance period Agreement for a period of six months! notice period required for resignation是什么意思 for a long period 什么意思? In one three-year period alone,he wrote music for nineteen shows.怎么翻译啊? period是什么意思?