In this period, there are many changes happened in Chinese society.

这个阶段里中国的社会发生了变化。

youdao

A great many changes have happened in the neighbourhood, since you went away.

自从你走了以后，这带发生了好多事情。

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On the application side, it is possible to take a bindings mode application and run it in client mode without any changes, and in many cases, this is exactly what happened.

在应用程序端，可以接受绑定模式的应用程序，并在客户端模式下运行而不做任何更改，在许多情况下，这就是确切的实际做法。

youdao

Too many changes have happened to society and the world we live in for a 50-year-old to be able to relate to a 15-year-old and the stock put-down phrase adopted by all kids "you wouldn't understand" is perfectly appropriate - though very unwelcome at any age.

BBC: NEWS | UK | Scotland | Parents in their 20s? No kidding!