In recent years, tourism has been popular and played an important role in our nation’s economic growth.However, I am afraid that if tourism develops over, it will bring harm to the environment and give rise to many problems.

　　近年来，旅游业已经变得很流行，在我国经济发展中发挥了重要作用。然而，我害怕如果旅游业过度发展，它会给环境带来危害，并引发很多问题。