Domestic tourism actually presents a much greater ______ than in
分类: 旅游英语选读(00837)发布时间: 2024-11-05 23:28浏览量: 0
Domestic tourism actually presents a much greater ______ than international tourism for China's transportation systems and the management of tourist attractions. A、problem B、difficulty C、challenge D、endeavour 【正确答案】：C