“这个东西有什么用”--如何翻译用英语

what does it use for
what's its usage?

What its used for?
回答者：ANDREW1000 - 经理 四级 3-31 15:26

What can it use for?
回答者：haomaoxin - 童生 一级 3-31 15:26

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what's its usage?
回答者：kikcat0324 - 经理 四级 3-31 15:26

What is it used for?
回答者：jamesdongwenbo - 经理 四级 3-31 15:27

How to use it
回答者：s154178539 - 试用期 一级 3-31 15:32

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回答者：springgmail - 试用期 一级 3-31 15:42

what' this used for?
回答者：卉の - 魔法学徒 一级 3-31 15:49

How to use it

What is it used for?

what does it use for?

what's this used for?