我认为最有帮助的发明是手表的翻译：I think the most useful invention is watch 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

I think the most useful invention of the watch

I think the most useful invention is watch

I thought most has the help invention is the wristwatch

I think the most helpful invention is a watch

I think the most useful invention is watch