If you run too fast you will break your leg.
如果你跑得太快,你会摔到腿的。
Problem: you tried using an index like in the previous sample, but your program absolutely demands break-neck speeds, and indexing just isn't fast enough.
问题:您尝试在前面的示例中使用相同索引,您的程序一定会有中断现象发生,而且不够快。
If you run too fast you will break your neck.
如果你跑得太快,你会送命的。
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