She is not only my mom but also herself.

城市是一个不断进化的生命体。

The relationship between wages and employment is not as straightforward as some models suggest.

Sustainability is not just about planting trees; it's about planting the right trees in the right places for the right reasons.

"Life is tough, and things don’t always work out well, but we should be brave and take risks. We shouldn’t hesitate to take the next step."

A ship in port is safe, but that's not what ships are built for.

做出伟大工作的唯一方法就是热爱你所做的事。