但他們又買不起房子，住劏房實在是唯一的選擇，儘管那裡的居住環境差也沒辦

但他們又買不起房子，住劏房實在是唯一的選擇，儘管那裡的居住環境差也沒辦法。

結果 (英文) 1:

But they can't afford to buy a house. Residential housing is really the only option, even though the living environment there is poor.

結果 (英文) 2:

But they can't afford to buy a house, and living 劏 is the only option, even though the living environment there is poor.

結果 (英文) 3:

But they can't afford a house. Living in a house is the only choice, even though the living environment is poor.