但是，尽管他们的担忧表达时机不当，也并不是无关紧要。
But their concerns, although expressed at the wrong time, are not frivolous.
如果这些问题处理得不当，那么可表达性和健壮性的降低会轻易地抵消泛型类型的好处。
If these issues are not handled well, the benefits of generic types can easily be outweighed by decreases in expressiveness and robustness.
恶劣态度是表达愤怒的不当方法。
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