是大地的泪点,使她的微笑保持着青春不谢。
绅士就是从不无心伤害别人感觉的人。
Writing is about making something, not about expressing yourself.
跨国合作是解决海洋保护复杂挑战的唯一途径。
The most important thing in mathematics is to understand the concepts, not just to memorize formulas.