Train tickets for college students are half price. Can I use the ticket?

I can't. College students can't buy air tickets at half price, but 12 years old or older must buy adult tickets. There are only children's tickets and adult tickets for air tickets, but you can enjoy certain discounts when you issue a student ID card when you buy a train ticket. Students with student ID cards can enjoy preferential treatment such as train, bus and travel. College students with student ID cards can enjoy the benefits of public transportation such as subway, bus and high-speed rail. Library lending discount: college students can borrow books from the school library with their student ID cards, and some libraries can also borrow books and audio-visual materials. Catering concessions: Some restaurants and fast food restaurants will offer discounts or give away drinks, snacks and other preferential activities to college students with student ID cards. Tourist attractions discount: Some scenic spots and museums will offer discounts or free tickets to college students with student ID cards.