无衬线字体，一般认为它更容易在屏幕上阅读。
Sans-serif fonts have generally been considered easier to read on the screen.
一般情况下，在Fire上的阅读体验与基于电子墨水的最新款Kindle同样流畅，但是新型处理器使运行速度要更快些。
The reading experience is usually as fluid as the latest crop of e-ink-based Kindle devices, but things hum along a little faster thanks to that processor.
当程序在跑时，它应该告诉使用者它正在做什么，如同阅读书籍一般。
Add logging. When the program runs it should tell its user what it's doing, like you're reading a book.
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