肺动脉中流的是:one's life is limited,but leaning is endless是什么意思啊?

one's life is limited,but leaning is endless是什么意思啊? what is hard to do good in all one's life and never do bad. Is childhood the happiest time of one’s life? Which book is Li Lei's可否说成Which is Li Lei's book? 、we rest assured well one's life Why chinese people's life is changing? 翻译:What is Terry's philosophy on life? classic music is more valuable in studengt's life Is not but using one's different heart That's it,she is the one 翻译