He is a very picky buyer, and has a whole set of "tricks of the trade" for finding the freshest ingredients. For example, when buying fish, he inspects the skin and eyes.

在选购食材上他很是挑剔，对于如何挑选新鲜的食材，他有自己的“独门秘籍”：比如，买鱼前一定要检查鱼鳃和鱼眼。

youdao

He is a very picky buyer, and has a whole set of "tricks of the trade" for finding the freshest ingredients. For example, when buying fish, he inspects the skin and eyes.

在选购食材上他很是挑剔，对于如何挑选新颖的食材，他有本人的“独门秘籍”：比如，买鱼前一定要检查鱼鳃和鱼眼。

youdao

For the New York stores a buyer arrives at the city's famous Fulton Fish Market every morning at 2 a.m. to purchase the fresh catch of the day, which is then highlighted at the counter.

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