ecotourism造句 31. The establishment of environmental interpretation system is an effective medium for tourists a successful rural ecotourism. 32. Ecotourism programs minimize the adverse effects of traditional tourism on the natural environment.
ecotourism造句 31. The establishment of environmental interpretation system is an effective medium for tourists a successful rural ecotourism. 32. Ecotourism programs minimize the adverse effects of traditional tourism on the natural environment.