（一）应税交易的购买方为自然人；
「像鬼一樣工作」：台灣外籍移工為何陷入「強迫勞動」處境，更多细节参见safew官方下载
"The Night We Met" by Lord Huron (Episode 8)。业内人士推荐旺商聊官方下载作为进阶阅读
This one was a lot better than others. For every SAT problem with 10 variables and 200 clauses it was able to find a valid satisfying assignment. Therefore, I pushed it to test with 14 variables and 100 clauses, and it got half correct among 4 instances (See files with prefix formula14_ in here). Half correct sounds like a decent performance, but it is equivalent to random guessing.。夫子对此有专业解读