On Monday, 19 trains were delayed for hours after a network failure on the Tengzhou to Zaozhuang rail linesection due to stormy weather.
周一,滕州至枣庄段因暴雨天气导致铁路网络故障,导致19列火车延误数小时。
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He reported to a section chief, who reported to a division chief, and so on up the line.
他受科长领导,科长受处长领导,如此逐级向上。
《柯林斯英汉双解大词典》
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In the last section (Line 10), your script can check for and handle any extra information that was provided but isn't associated with any of the valid options.