conditional statement

例句：

1. 1. If you are not careful, you can cause a lot of damage to the environment.
   如果你不谨慎，你可能会对环境造成很多伤害。
2. 2. The company's decision was conditional on the agreement being reached.
   公司的决策取决于协议是否达成。
3. 3. The new policy is conditional on the implementation of the previous one.
   新的政策是在实施之前的政策的基础上制定的。