The curettes are meant to be disposable and for single use only.

刮匙是一次性的，只能使用一次。

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Do not reuse bottles intended for single use.

不要重复利用一次性使用的瓶子。

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These respirators are designed for single use. Do not re-use the respirator.

这些呼吸防护口罩设计为一次性使用。不要重复使用呼吸防护口罩。

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The number of packages returning through the system is astonishing: 90% of cans designed for single use are recycled, and nearly 100% of refillable bottles find their way back to Carlsberg.

CNN: Brewing giant Carlsberg's sustainability drive pays off

The measure approved by the Senate Environmental Committee requires retailers to give customers a 5-cent rebate for each reusable shopping bag they use and charge them 5 cents for each single-use bag they take.

MSN: Reusable shopping bag measure advances

Several other countries including China have banned plastic bags or instituted fees for single-use bags.

MSN: Reusable shopping bag measure advances