So for an instant, true of, once already enough.
这样一瞬，真的，一次已足够。
It's already hard enough to win the Australian Open.I've only done it once.
一个澳网冠军就已经很难了，我以前也只在这里拿过一次冠军。
I spent an hour already writing them once, and once is enough!
我已经花了一小时写了一遍，一遍就够了！
I spent an hour already writing them once, and once is enough!
我已经花了一小时写了一遍，一遍就够了！
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