把这一句，留给此刻的你

It's like trying to describe what you feel when you're standing on the rim of the Grand Canyon or remembering your first love or the birth of your child. You have to be there to really know what it's like.

这就像试着描述当你站在大峡谷边缘时的感觉，或者回忆你的初恋或者你孩子的出生。你必须在那里才能真正了解它是什么样的。

— Harrison Schmitt 哈里森·施密特