1. 发言人讲到：虽然这是事实，但那些工作往往是比较差的，多数情况下，较好的工作都被外来人得到了。The speaker stated that while these are true, yet these are generally very poor jobs, and more often than that, better jobs are obtained by outsiders.
2. 还有就是“文化污染”的问题。原本与世隔绝的人们们然间被带入到了西方科技的世界里，导致了当地风俗的丧失。
Also, there is the problem of “culture pollution.” Isolated people are brought too quickly into the world of Western technology, resulting in the loss of the local customs.
3. 总之，文章只是强调了生态旅游的积极一面，称人人都会从中获利，但发言却指出生态旅游还有其消极面。
In summary, the article emphasizes only the positive side of eco-tourism, saying that everyone benefits, while the speaker points out that eco-tourism also has its negative aspects.
4. 文章的主旨讲的是：冒不必要的险是非理性的和愚蠢的。
The main point of the article is that unnecessary risk-taking is illogical and foolish.
5. 发言人却认为冒险优势是必要的，甚至是有利的。
The speaker, however, believes that risk-taking is sometimes necessary and can even be beneficial.
