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Because of the Turing completeness theory, everything one Turing-complete language can do can theoretically be done by another Turing-complete language, but at a different cost. You can do everything in assembler, but no one wants to program in assembler anymore.

由于图灵完备性理论，一种图灵完备语言所能做的任何事情理论上都可以由另一种图灵完备语言来完成，但代价不同。你可以用汇编器做任何事情，但是没有人想再用汇编器编程了。

— Yukihiro Matsumoto 松本行弘