shì jiāo xiàn zhī xiàn hé jī chǎng xiàn yùn yíng shí jiān kě néng bǐ shì qū zhǔ xiàn duǎn

市郊线、支线和机场线运营时间可能比市区主线短。

The operating hours of suburban lines, feeder lines, and airport lines may be shorter than those of main urban lines.