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.
// promise to either yield a chunk of data or indicate we're
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长期资产进项税额抵扣的具体操作办法，由国务院财政、税务主管部门制定。
“把乡村振兴的美好蓝图变为现实”