1. 不用说 It goes without saying that
= (It is) needless to say (that) .
= It is obvious that .
It goes without saying that it pays to keep early hours.
2. 在各种之中， Among various kinds of , /= Of all the ,
Among various kinds of sports, I like jogging in particular.
In my opinion,
= To my mind, .
= As far as I am concerned,
= I am of the opinion that .
例：In my opinion, playing video games not only takes much time but is also harmful to health.
4. 随着人口的增加 With the increase/growth of the population,
随着科技的进步 With the advance of science and technology,