要发出紧急信号，使用“重要的事情说三遍”的“三”法则；三次呼喊、三声喇叭或三声哨声。
If we don’t do something now, the world our children inherit will be much poorer than the one we were given.
在科学的探索中，我们不仅要问“为什么”，还要问“为什么不”。
The interplay between quantum mechanics and general relativity is one of the most profound puzzles in modern physics, and solving it may require a complete rethinking of our understanding of the universe.
The health of our seafood reflects the health of our oceans.
The beauty of chemistry lies in its ability to create new possibilities from basic principles.
这不仅不正确，甚至算不上错误。