原因可能是行间空白通常都包括下行线；而因为大部分字符都没有下行线，那么多余的空白就出现在了线的下面了。
The reason may be that leading usually includes the space taken up by descenders; and because most characters do not have descenders, additional white space is created under the line.
大部分是什么，我一直这样做是多余的，并没有要显示的范围。
Most of what I have been doing is redundant and doesn't have to be shown.
这个工作室和与之相连的辅助用房是建筑中唯一可以居住的空间，确实没有任何多余的部分，他们都被设计得宽敞、明亮而且温暖。
The studio and the adjoining auxiliary rooms are the buildings only habitable rooms, which do without a superfluous finish. They are designed to be spacious, bright and heated.
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