411. For the above reasons, I think it's a good idea to have a rule that forbids people from smoking in certain public places and office buildings.
基于上述原因，我认为出台一条规定禁止人们在一些公共场所和办公楼内吸烟是一个好主意。

六级词汇讲解:
本句可用于结论段，表达作者对某一问题的建议。It is a good idea to do sth.意为“……是一个好主意”。forbid sb. from doing sth.意为“禁止某人做某事”，也可以说prohibit sb. from doing sth.。如：

Family finances prohibited him from going to college.
他的家庭经济情况不容许他上大学。


句型拓展:
For this purpose, I have decided to take practicing medicine as my future career.
基于这个目的，我已决定将行医作为我未来的职业。
For these reasons, I think that receiving college education in Taiwan is wise.
基于这些理由，我认为在台湾接受大学教育是明智的。
We have reasons to believe that corporal punishment should be strictly prohibited.
我们有理由认为应该严格禁止体罚。