White collar workers work as hard as blue collar workers. White-collar workers have good working conditions, mental work, indoor air conditioning, warm in winter and cool in summer.

Blue-collar workers have poor working conditions and manual labor.

Art design is a relatively low-end job, 4-5 thousand is not bad.

It is very hard and risky to run express delivery and be a beautiful group in the sunshine and rain.

Doing sales is different. Sales is an art that not everyone can do well.

Don't envy others for making more money. Every industry has its hard work, and it is most important to do your own work well.