例句：

　　如果我不知道如何完成某事，那就索性不要開(kāi)始做這件事？

　　I cannot start something if I do not know exactly how to finish it.

　　但是在數字世界里，對象之所以可以完成任務(wù)，是因為程序員賦予它做某事的能力。

　　However, in the digital world, an object does what it can do because a programmer imbued it with the power to do something.

　　當你全身心投入的做某事，并且把它完成，這種令人回味的滿(mǎn)足感就是幸福，是你所有努力和辛勤付出換來(lái)的興奮感。

　　When you pour your heart and soul into something and you accomplish that something, the afterglow of satisfaction you feel is happiness. It is the thrill of all your efforts and hard work.