旅游业也引起许多问题。例如，它增加了我国本来效率不高的运输系统的负担。

Tourism, however, gives rise to a number of problems.For instance, it becomes a burden to inefficient transportation system.

youdao

旅游业也引起许多问题。例如，它增加了我国本来效率不高的运输系统的负担。

Tourism, however, gives rise to a number of problems.For instance, it becomes a burden to inefficient transportation system.

youdao