[KongchangAI]
Unverified90% confidenceTradeoffTime unknown

跨城通勤或商务出行优先选G字头列车而非D字头,G字头设计时速300+公里,同区间通常快30%-50%,但D字头(时速200-250)票价约为G字头的60%-70%,预算敏感且时间宽裕可选D字头

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Long-term
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