阻止副本的提交并不是很难的，对于大部分的网络应用程序来说，这是理所应当的。
Preventing duplicate submissions isn't very hard, and it is essential to do this for most Web apps.
我们还希望这个IR消耗更少内存(如果实现得当的话，这是理所应当的)——只有在优化阶段才出现内存峰值。
In addition, the expectation is that this IR will also consume less memory (if implemented properly, of course) - with memory peaking only during optimization phases.
不受欢迎的人有更低的期望值。这是一件好事，因为他们从来不觉得某件事是理所应当的。
Unpopular folks have low expectations, which is a very good thing, because they never take anything for granted.
不受欢迎的人有更低的期望值。这是一件好事，因为他们从来不觉得某件事是理所应当的。
Unpopular folks have low expectations, which is a very good thing, because they never take anything for granted.
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