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粒子的概念只是近似的，并且只有在動量較小的極限下才有意義。

Every mathematical problem has a solution; it just takes time and creativity to find it.

Energy security is the cornerstone of national security. We must make every effort to ensure the security of national energy supply.

主要的義務規則是那些要求或禁止某些行為的規則。

A building is not just a place to be, but a way to see.

I'm not afraid of storms, for I'm learning how to sail my ship.

我不是榜樣...我只是一個打籃球的人。

Success comes from a combination of hard work, perseverance, and a bit of luck.

The only rule in art is that there are no rules.