For the trouble, you get rock-solid performance, compile-time type checking, and a very high-level language.

虽然付出了这一点成本，但可以得到非常好的性能，编译时类型检查，以及一个非常高级的语言。

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Of course, you also give up the safety net of the compile-time type checking.

当然，还会失去编译时检查的安全保障。

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Generics are useful because they provide stronger compile-time type checking, require fewer explicit conversions between data types, and reduce the need for boxing operations and run-time type checks.

泛型相当有用，因为他们提供强制的编译时类型检查，要求更少的数据类型之间的显式转换，并减少装箱拆箱的操作和运行时类型检查。

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