（四）在铁路、城市轨道交通线路上私设道口或者平交过道的。
Трамп высказался о непростом решении по Ирану09:14
。关于这个话题，夫子提供了深入分析
The problem compounds in pipelines. Each TransformStream adds another layer of promise machinery between source and sink. The spec doesn't define synchronous fast paths, so even when data is available immediately, the promise machinery still runs.
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