1. 不用说…… It goes without saying that … = （It is） needless to say （that） …= It is obvious that …
例：不用说早睡早起是值得的。
It goes without saying that it pays to keep early hours.
2. 在各种……之中，…… Among various kinds of …， … /= Of all the …， …
例︰在各种运动中我尤其喜欢慢跑。
Among various kinds of sports, I like jogging in particular.
