To accurately assess the contribution of tourism to sustainable development and poverty reduction, all its positive and negative impacts must be fully understood and weighed against each other. 外行;粗通（某一行）的人 I won't Beryllium giving them any more work - they're a bunch of amateurs. 我有活也再不给他们干了，简直就是一帮外行。 the crowd at two hundred appraise https://trumanb704pxd5.wikibyby.com/user