The diversity of exoplanets is astonishing, ranging from gas giants to rocky worlds, some of which may harbor life.

好人得到奖赏，坏人得到惩罚，国家必然会太平。

The most important property of a program is whether it accomplishes the intention of its user.

老虎起跳之前,必须先趴下蓄力然后才跳起来。