13. There are many advantages for self-driving travelling.
自驾游有很多优点。
还能这样说：
Driving a car to travel by yourself has many benefits.
Self-driving travelling benefits a traveler a lot.
应用解析：
at an advantage 有利地；
be of advantage to 对……有利；
gain an advantage over 胜过，优于
14. People who desire for freedom can choose the self-driving travelling.
向往自由的人可以选择自驾游。
还能这样说：
Self-driving travelling is a good choice for the people who love freedom.
People who don't want to be constrained can drive by themselves when travelling.
15. I make a decision to go to travel the Yellow River by bike.
我决定骑自行车游览黄河风景区。
还能这样说：
I decide to travel to the Yellow River by bike.
I plan to go travelling to the Yellow River by bike.
16. It is necessary to take a map when driving by ourselves.
自驾游需带张地图。
还能这样说：
It is necessary to drive by ourselves with a map.
Driving by ourselves with a map is a necessity.
应用解析：
drive away at 一心做；
drive into a corner 追入绝境；
drive over 压过
17. Self-driving travelling can save much time for you.
自驾游可以节省很多时间。
还能这样说：
It will consume little to drive by yourself when travelling.
Self-driving travelling is economical of your time.