何须浅碧深红色,自是花中第一流。
何必需要浅碧深红的艳丽色彩,桂花本就是花中第一流
我不完美,但我始终做自己。
The ethical implications of genetic modification must be carefully considered.
The worth of a psychological theory is measured by its usefulness.
Sustainability is not just a choice, it's our responsibility to the ocean and future generations.