上海译锐翻译给出的答案:
Nevertheless表示:尽管如此;不过;然而despite sth that you have just mentioned
However 表示:然而;不过;仍然used to introduce a statement that contrasts with sth that has just been said
However 所引出的句子所表述的意思与前述内容相反。
比如,The day is full of hardship. However, we still try our best to help those in need.