你说首饰店的电子秤不放心，我教你一招：你可带一只其它重量正确的金或银饰品，让他帮你称，因为你知道正确的重量就可看出他的秤是否准确。

I'll teach you a move: You can take the weight of the correct one other gold or silver jewelry and let him help you say because you know the correct weight to be seen in the accuracy of his scales.

youdao

你说首饰店的电子秤不放心，我教你一招：你可带一只其它重量正确的金或银饰品，让他帮你称，因为你知道正确的重量就可看出他的秤是否准确。

I'll teach you a move: You can take the weight of the correct one other gold or silver jewelry and let him help you say because you know the correct weight to be seen in the accuracy of his scales.

youdao