即使等到我们对地球的一切都了如指掌的时候，在外太空仍然有许多秘密要我们去探索。
Even when we've managed to learn everything there is to know about Earth, there will still be mysteries to explore in space.
感恩是指你感激、珍惜自己当前所拥有的一切以及所处的人生境遇。
To be grateful means you are thankful for and appreciative of what you have and where you are on your path right now.
是指由学习和运用知识所衍生的一切积极的情绪感觉。
It also means a positive sense of feeling and sentiment you get in learning and using your knowledge.
应用推荐