【英语】大神求指教！刚刷到一个外国视频，上面有段文字是这样的:This is my mom. She finally told me after 30 years that she doesn't love me. I've known for whole my life. known for我知道是因什么而知名，但没过用现在完成时的，have known for？怎么解？谢谢大家！