1. Discuss whether you believe tourism has a negative impact on the environment. 2. You can mention specific examples or general observations about how tourism can lead to environmental degradation, such as pollution, habitat destruction, etc.

1. 討論您是否認為旅遊對環境造成了負面影響。 2. 您可以提及具體例子或關於旅遊如何導致環境惡化的一般觀察，如污染、棲息地破壞等。