To look is one thing, to see is another thing; to see is very difficult, normally; to look is to try to see. I have looked and I hope I have seen.
看是一回事，看又是另一回事;正常情况下，看东西是很困难的;去看就是去尝试去看。我已经看见了，我希望我已经看见了。
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Self
Hope