The sea is a metaphor for everything: life, death, the unknown.
大海是万物的隐喻:生命、死亡、未知。
智力不仅仅是推理的能力;它还包括在记忆中寻找相关材料并在需要时调动注意力的能力。
Energy security is the cornerstone of national security. We must make every effort to ensure the security of national energy supply.