A " dwelling" (dwelling) is a general term, meaning a place where someone lives, like a house or an apartment.

“住所” （dwelling）是一个总称， 意思是某人居住的地方，如房屋或公寓。

A shack is definitely a small, often poor house where someone lives that may not have a lot of money.

棚屋绝对是一个小的，通常很穷的房子， 有人住在那里可能没有很多钱。