如何使用 "failure" 造句

1. Change your attitude about failure .
改变对失败的看法。
2. The failure rate is high .
而且失败率还很高。
3. What explains this selection failure ?
如何解释这种选择失败呢?
4. Its failure is a tragedy .
它的失败是一个悲剧。
5. He died 47 years later of heart failure .
47年后他因为心脏衰竭而死。