The conservatory will get very hot in summer unless shading is used.
夏天如果不用遮光罩的话，暖房会变得非常热。
Not entirely disallowed of course, but simply not used unless actually needed.
当然不会完全禁止，但除非真正需要就不要使用。
What I dislike is when unless is used with an else like so…
我们不喜欢用unless是使用else条件句的时候，就像这样
The lowest cost path is always used unless the other path is down.
除非不可用，否则代价最小的路径总是被使用。
Millimeter is used as length unit in this drawing unless otherwise noted.
除非另有注明，本图采用毫米为长度单位。
Day 2: Unless you're a firefighter, you might never get used to interrupted sleep.
第2天：除非你是消防员，否则你不可能习惯睡眠被打搅。
Of course, no control is effective unless it is used.
当然，控制如果不使用是没有效果的。
This file must not be used lightly unless you know what you are doing.
此文件不能轻易使用，除非你知道你在做什么。
A person's surname should be used unless he is a good friend or schoolmate.
这里应该用人的姓来称呼除非他是你的好朋友或者同学。
What can't be used unless broken ?
什么东东打破了才能用？
What can not be used unless broken?
什么东西打碎了才能用？
In this book the word is used in its original sense unless otherwise stated.
在这本书里，这个词是用它的本义，除非另有说明。
In this book the word is used in its original sense unless otherwise stated.
在这本书里，这个词是用它的本义，除非另有说明。
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