上门 (shàng mén): To drop in (Verb) — Meaning & Stroke Order

He filled in the delivery address online, making it convenient for the courier to deliver the goods to his door.

The community provides convenient door-to-door services for its elderly residents.

Why do you always turn away those insurance agents who come to peddle their products door-to-door?

This type of spider does not actively hunt; instead, it spins webs to wait for prey to come.

The community provides barrier-free facilities and regular home visits for disabled elderly people.

Rather than idly hoping for customers to come to you, it's better to take the initiative to expand the market.