So it is 原来是这样，确实是这样。

例句：

So it is with mathematics as well.

数学也是如此。

So it is a really big moment.

所以这确实是一个重要的时刻。

Classes are over. So it is after school.

课堂都结束了，所以现在是放学时间了。

"O, I know, I know, so it is," replied the Rat evasively.

“噢，我知道，我知道，确实是这么回事。”河鼠推脱道。

The mediator repeats what he heard, so it is clear to everyone.

调解人重复他所听到的，所以大家都清楚。

It always rains, so it is wet everywhere.

春天经常下雨，所以到处都是湿的。