7 million tons of plastic is turned into bottles which are only used once each year.

每年有700万吨塑料被制成塑料瓶，而这些塑料瓶只被使用一次。

youdao

"Tesco carrier bag. Yes, one of the ones that was free a couple of weeks ago. Only used once!" it says.

其宝贝详情上写着：“特易购超市的塑料袋，只用过一次。对，这就是那种几周前还免费的塑料袋！”

youdao

Password expiry is only used once but I like to create a variable for it and place the variable with the other user-edited fields.

密码期限只使用一次，但是我喜欢为它创建一个变量，并将变量与其他的用户可编辑字段放置在一起。

youdao

It just takes too long to go through four critiques of every performance, and instead of a built-in majority you know have a tendency to split, forcing them to bring in producer Jimmy Iovine as a tiebreaker (though this season he was only used once).

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You have a scale that can only be used once.

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Simon Brooks, who formed the group, said buses only used the lane once every five or six minutes.

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