如果我们想要程序变得有趣，那么我们应该加入一些娱乐的特点，一个玩笑，一个挑战性的测验，一段有趣的视频，一个具有竞争力的界面，或者其他东西。
If we want an application to be fun, then we need to add some features that will entertain; a joke, a challenging quiz, a funny video, a competitive aspect or something else.
在这本娱乐性十足的书里，作者不时的在跟她的题目开玩笑，险些将话题延伸过度。
At times in this playful book the author has such fun with her theme that she risks overstretching the point.
这并不意味着说你一定要开玩笑或者娱乐我们，只要敢于笑笑自己就足够了。
This doesn't mean that you have to crack jokes or entertain us, but just being able to laugh at yourself is enough.
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