问答题简述要提高旅游接待业的管理效益，应从以下哪些方面着手?
问答题文创旅游产业是资源高度整合、结构多维优化的高效率 型产业。
问答题7. The less the surface of the ground yields to the weight of a fully-loaded truck,
问答题不The lshe urfre of ibe ground yeldsho tbe weighn of ally-loaded trscky .
问答题某团队在技术研究方面取得
