孩子拿书的方式会告诉你他们对这本书的全部感受。
The only way to find the limits of the possible is by going beyond them into the impossible.
"Light is the key. Without light, there is no image."
世界需要各种形式的能源来满足不断增长的需求,天然气是一种更清洁的替代品,可以帮助填补这一空白。