Research will be needed as a preliminary to taking a decision.

　　作出決定之前需要進行研究。

　　This year's results are virtually the same as last year's.

　　今年的結果幾乎和去年的一樣。

　　It's not so easy as you'd think.

　　不像你想的那么容易。

　　You will always have the bad as well as the good in the world.

　　人生在世總是有苦有甜。

　　It's known as the most dangerous part of the city.

　　人們都認為那是市內(nèi)最危險的地段。