So it might be that, if you went to a French restaurant and you looked through it and you found they only had margarine and they didn't have butter, you could say, "Ah, I see what's wrong with them.
就好像你去一个法国餐厅， 你查一个遍最后发现 它们只用人造黄油，不用天然黄油， 你可能会说：“嗯，我知道问题在哪里了，