解释：酸味食物走筋脉，但过量食用会导致小便不畅，说明饮食需适量。

我一直更喜欢研究具体问题而非抽象理论。

The greatest photographers are those who have learned to see the world as it is, and then to see it as it might be.

我相信我们生来都有目的，而我的目的就是歌唱。