简易计税方法的销售额=含税销售额÷（1+征收率）
「這變成一種全球現象，大家互相引用，於是形成了非常誤導性的敘事。」
，这一点在heLLoword翻译官方下载中也有详细论述
// 计算天数：栈非空→栈顶索引-当前索引；栈空→0（易错点3：索引差别写反）
The trade-off is performance. Every syscall goes through user-space interception, which adds overhead. I/O-heavy workloads feel this the most. For short-lived code execution like scripts and tests, it is usually fine, but for sustained high-throughput I/O, it can matter.
李대통령 “큰 거 온다…2월 28일 커밍순”, 뭐길래?