我们这个时代的挑战是创造一个可持续的能源未来。
The challenge of our time is to create a sustainable energy future.
Anon, who wrote so many poems without signing them, was often a woman.
Shopping is arguably the last remaining form of public activity.
我不考虑我的遗产。我只是在做我喜欢的事。
技术成功的真正标准是它如何赋予人们力量，而不仅仅是在基准测试中的表现。