名词
中文翻译：替代线路
同义词：
['alternative path', 'alternative route']
例句：
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1.The company is considering using an alternative line to reduce costs.
该公司正在考虑使用一条替代线路来降低成本。
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2. The engineer designed a new alternative line to improve traffic flow.
工程师设计了一条新的替代线路以改善交通流量。
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3.The alternative line was chosen because it offered faster travel times.
选择这条替代线路是因为它提供了更快的旅行时间。