1.Ecotourism offers travelers the means to assist personaly and localy in the conservation of the threatened environments and to support communities directly that are seeking viable economic alternatives to end cycles of poverty and enviromental destruction.
这个句子的翻译directly 后的that修饰的是第二个and后面的句子即to support communities
2.The responsibility cleayly rests with ourselves to care for an environmental and cultural diversity which historically we have used merely to serve our needs.
这句话中的which却修饰的仅仅是修饰的是care for 后的句子,同样2个句子都是and连接为什么第1个仅仅修饰and后的短语,而第2个前后都要修饰呢?
希望大家来讨论下共同提高谢谢。