【摘要】 随着旅游业的发展,旅游活动对环境产生了各种不良的影响。要保证旅游的可持续发展,必须充分认识到这些不良影响,并采取各种有效措施进行预防。更多还原

【Abstract】 With the development of tourism, it gives various bad effects on environment. To ensure its sustainable development, we must recognize these bad effects fully and take various effective measures to prevent them.更多还原