If there is a problem, catch the exception and go from there.

如果出现问题，要捕获异常并加以处理。

youdao

And even if you catch the exception, it is possible that a connection will be left open.

即使你捕获了异常，仍有可能一直保持连接。

youdao

That's why the listing is written to catch the exception but doesn't actually do anything with it.

这就是清单中包含异常捕获功能，但实际却没有进行任何操作的原因。

youdao

Mr McCain has never been particularly interested in economics, but, unlike Mr Obama, he has made little effort to catch up or to bring in good advisers (Doug Holtz-Eakin being the impressive exception).

ECONOMIST: The presidential election