总而言之，猫的要求少，也喜欢独自待在室内。
In a word, cats are low maintenance and happy to be left alone indoors.
另一个问题是，一组细菌对人体的基础生理是否是必不可少的；换言之，人类是否真的是没有共生菌就会死的共生体。
Another is whether a set of bacteria is essential for basic human physiology-in other words whether humans really are symbiotic creatures who would die without their collaborators.
一个方法，在我看来，“用的少，得到的多”这句话背后的灵魂简言之是”不要浪费“，特别是不要浪费那些本来不是我们的如他人的时间。
One way I look at the spirit behind "Use less, gain more" is simply to "not waste, " especially to not waste that which is not really mine to begin with such as other people's time.
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