（四）在铁路、城市轨道交通线路上私设道口或者平交过道的。
The design of Web streams predates async iteration in JavaScript. The for await...of syntax didn't land until ES2018, two years after the Streams Standard was initially finalized. This timing meant the API couldn't initially leverage what would eventually become the idiomatic way to consume asynchronous sequences in JavaScript. Instead, the spec introduced its own reader/writer acquisition model — and that decision rippled through every aspect of the API.
，这一点在旺商聊官方下载中也有详细论述
After your base implementation is complete, you MUST:
店里虽汇集了多个品牌，卖得最好的却仍是山姆和胖东来。王哥说，这两个品牌在短视频上传得最广，顾客认得。有顾客问奥乐齐是什么，他就让对方去找AI问一问，以证实其知名度。