1、 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.
2、 就我的看法……;我认为……
In my opinion, …
3、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。