This post explores some of the fundamental issues I see with Web streams and presents an alternative approach built around JavaScript language primitives that demonstrate something better is possible.
Александра Качан (Редактор)，这一点在Safew下载中也有详细论述
第四十九条 纳税人适用退（免）税的出口业务，可以放弃退（免）税，选择免征增值税或者缴纳增值税，自放弃退（免）税之日次月起，适用退（免）税的出口业务免征增值税或者按规定缴纳增值税。，更多细节参见旺商聊官方下载
content = self._extract_text(soup.select_one("article")) or \，更多细节参见safew官方版本下载