All these changes happened over a period of time.
所有这些变化都是在一段时间内发生的`。
You must on no condition tell them what happened.
你决不能告诉他们所发生的事。
This is the second time it's happened.
这已是第二次了。
2021-10-03
All these changes happened over a period of time.
所有这些变化都是在一段时间内发生的`。
You must on no condition tell them what happened.
你决不能告诉他们所发生的事。
This is the second time it's happened.
这已是第二次了。