Sustainability isn't an option; it's our responsibility to the next generation.

The past shapes the present, and the present shapes the future.

Each of us is the author of our own story, though sometimes we cannot control the ending.

点燃蜡烛的同时也投下了阴影。

计算机程序执行你告诉它要做的事情，而不是你希望它做的事情。