Can Not Help But Do

As you only have a short stay in Shanghai, you probably will not be able to do much more sightseeing. But if I can help in any other way, please let me know.

由于您在上海只能做短暂停留，您可能无法做太多的观光。但如果我能在任何其它方面帮上您的忙，敬请告知我。

They may not be well-known to the public, but they do what they can to help improve people's lives as well.

他们可能不为公众所知，但是也尽其所能地帮助改善人们的生活。

Hannah started to think about how she could help, but, of course, there is not a lot one five-year-old can do to solve the problem of homelessness.

汉娜开始思考她该如何能帮上忙，但显然一个五岁的孩子在解决无家可归的问题上能做的事情并不多。