Youth, a brave river, is invincible and has a long history.
Youth is a small tree, thriving, full of vitality, weak and helpless.
Youth is a blooming epiphyllum, brief and beautiful.
Youth is a big stage for a person, and everyone has the opportunity to show himself.
Youth is a beautiful and magnificent mountain peak. To climb the top of this mountain, you must have courage and strength.
When reading the title page of a new book, I found that youth is a too hasty book.