They have different meanings. "All three of us" connotates that there are only 3 people. "Only Three of us" connotates that there are more than 3 people and the number of people can be very large.
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November 4, 2011
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Corrected
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July 22, 2011
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Commented
I will choose the book.
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July 22, 2011
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Answered
我发现自己沉浸在此刻的兴奋之中。I don't know whether it's correct, I just had a guess. What's your opinion?
