In English，we have the term the"buddy system".As far as I know，it was first used by people who enjoyed the sport of scuba diving（戴水肺潜水）.People were able to swim underwater and explore the strange and wonderful world of life below the waves.Scuba diving is a fun sport，but it's also a dangerous one.It's best to do it with a partner—a"buddy"，who can help in case one of you gets into trouble.So，the"buddy system"was introduced.
Not every sport or activity is as dangerous as scuba diving，but having a buddy—or a dazi in Chinese—to share your interests with makes it more fun for the both of you.Finding a dazi，however，can sometimes be difficult.Maybe none of your close friends shares a very particular interest that you have.Many young people now go onto social media platforms like Xiaohongshu，which connect people with"shared interests".
These young people have found English conversation partners，jogging buddies and fellow comic book fans.They are even finding dinner companies who like to eat spicy food. （Sorry，that would not be me. ） A good friendship may develop from this dazi relationship，but not necessarily.That shared interest may be the only thing you have in common.
The idea of having a dazi reminds me of my father.He loved to fish，but I didn't.I went with him a few times and found it boring.But my dad didn't miss me because he had a fishing buddy.Ed and my dad would meet at the same fishing spot every Saturday morning.They would sit side by side for hours and talk—when they did talk—about fishing.I asked him once what Ed did for a living and if he had a family."I don't know，"my dad said，"we only talk about fishing. "For my dad，Ed was the perfect dazi.
Having a buddy to share your interests makes life more enjoyable.It also motivates you to learn more and get better at whatever sport，activity or hobby you're doing，and it makes you more sociable（好交际的），too.It's good to have a buddy.
