ecotourism environment problem
常見例句
- The illustration proved that the model is a useful method to analyse the problem about the environment change and the sustainable development in ecotourism area.
實(shí)證研究表明，賓館規(guī)模容限值模型是分析生態(tài)旅游區(qū)環(huán)境變化和可持續(xù)發(fā)展的有效工具。 返回 ecotourism environment problem