物理定律是普适的,在像银河系中心这样的极端环境中测试它们是至关重要的。
Sometimes the most powerful images are the ones that leave room for the viewer's imagination to wander.
你如果出色地完成了某件事,那你应该再做一些其他的精彩事儿。不要在前一件事上徘徊太久,想想接下来该做什么。
The future of energy lies in the balance between traditional and renewable sources.
Sustainable forestry is not an option; it's our responsibility.