两个懂的人能长久的走下去，时间是必不可少的东西。
The two people can go on for a long time, and time is indispensable.
得不到渴望得到的一些东西是幸福的一个必不可少的组成部分。
To be without some of the things you want is an indispensable part of happiness.
哪三样东西是你的装扮里必不可少的？
What are three items in your wardrobe that you can't live without?
体力与精力是清除无用的东西必不可少的因素。
Physical and mental energy are essential in turning out and throwing away.
有些东西是必不可少的，而其他东西没有也行。
There are some things that are essential and others that can be done without.
牛仔裤已经成为美国人衣橱里必不可少的一样东西。
Jeans have become such a key element in the American 1 wardrobe.
牛仔裤已经成为美国人衣橱里必不可少的一样东西。
Jeans have become such a key element in the American 1 wardrobe.
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