纳税人适用免征增值税的出口业务，可以放弃免征增值税，选择缴纳增值税，自放弃免征增值税之日次月起，适用免征增值税的出口业务按规定缴纳增值税。
If you are familiar with SMT-LIB you may notice that both the re.from_ecma2020 function and the single-quote string notation ('regex') are nonstandard additions in Ostrich. That's because the regexes in SMT-LIB are textbook regexes without most of the features of full perl-compatible regular expressions, and because they end up needing a lot of escaping in practical use, some of which is nontrivial.
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Украинцам запретили выступать на Паралимпиаде в форме с картой Украины22:58。51吃瓜对此有专业解读
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目送乘客们下车，万家灯火早已亮起。石代维打扫完卫生，将设备一一检查，最后在交接表上签字，今日工作顺利结束。“饭刚做好，就等你了。”妻子打来电话，他赶忙加快步伐。