Try the shoes on before you buy them.

鞋子要先穿上试一试再买。

《牛津词典》

Before you rush to the pharmacy to buy sleep medications, try natural sleep therapies.

在你冲到药店去买睡眠药物前，试试看自然睡眠疗法。

youdao

Try it before you buy a coat.

买大衣前先试穿一下。

youdao

With free try-before-buy demos, spectating and trailers all with full Web-based parental controls.

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Finally, it helps that books are quasi commodities -- there's no need to try them on before you buy -- and that they're small-ticket, impulse items that are easy to ship.

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Try before you buy - qualities like the shutter lag, LCD screen quality, general handling and button placement etc can only be determined by trying the camera out in a shop.

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