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Instead of hardcoding the expected string, it captures the actual native code string from the original function before hooking it, then returns that exact string. This way, no matter what browser, no matter what platform, the spoofed toString returns precisely the same string that the original function would have returned. It is, in effect, a perfect forgery.
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第十二条 纳税人凭增值税扣税凭证从销项税额中抵扣的进项税额，包括：
第四十五条 下列情形应当按规定预缴税款：