达美告诉美国运输部，公司计划在明年夏天重新调整航班为每天一次。

Delta told the department it plans to go back to daily service next summer.

youdao

达美告诉美国运输部，公司计划在明年夏天重新调整航班为每天一次。

Delta told the department it plans to go back to daily service next summer.

youdao