Diagrams from redesign 3, hand-written SVG
第十五条 增值税法第十七条所称全部价款，不包括纳税人代为收取的下列税费或者款项：
。关于这个话题，搜狗输入法2026提供了深入分析
tee() splits a stream into two branches. It seems straightforward, but the implementation requires buffering: if one branch is read faster than the other, the data must be held somewhere until the slower branch catches up.
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