对平台而言，更低的租金或许能带来更多的单量，但对商家而言，走低的租金往往意味着更长的回本周期。
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It is also necessary to emphasize that many optimizations are only possible in parts of the spec that are unobservable to user code. The alternative, like Bun "Direct Streams", is to intentionally diverge from the spec-defined observable behaviors. This means optimizations often feel "incomplete". They work in some scenarios but not in others, in some runtimes but not others, etc. Every such case adds to the overall unsustainable complexity of the Web streams approach which is why most runtime implementers rarely put significant effort into further improvements to their streams implementations once the conformance tests are passing.，详情可参考heLLoword翻译官方下载
3,976,027 features - acc=0.8721 f1=0.8473 [tn=139390 fp=14948 fn=19534 tp=95695]