To all but the most discerning eye.

但是逃不过我的火眼金睛。

Since the consumer considers the best fruit to be that which is the most attractive, the grower must provide products that satisfy the discerning eye.

因为顾客认为最好的水果应该看起来也是最漂亮的 所以种植者必须提供能满足挑剔眼光的产品。

You must read all genres with a discerning eye, and instead of avoiding possible conflicts in your papers, use them to show that you have fully thought through your arguments.

你必须用敏锐的眼光阅读所有的体裁，而不是避免论文中可能出现的冲突，用它们来表明你已经充分考虑了你的论点。