慈善活动筹集了五百美元左右。

The charity event raised five hundred dollars ___or ___so.

你应该和他们待一周左右来帮忙。

You should stay with them for a week ___or ___so to help out.

开车到那里需要一个小时左右。

It will take about an hour ___or ___so to drive there.