Article in English: Make sure there’s enough room inside the cage to allow your rabbit to move around with ease. As a general rule, it should be able to stand upright on its hind legs without its ears touching the ceiling. A cage with at least 32 square feet of interior space (or about 3 square meters) will usually be big enough to accommodate most average-sized rabbits.  Larger species like English lops and Flemish Giants may require a cage as large as 44 square feet (4 square meters). You'll need to go up to the next biggest size if you plan on keeping more than two rabbits. Rabbits naturally gravitate toward dark, enclosed spaces. For a few extra dollars, you can buy a partitioned cage with separate rooms or levels that will allow your pet to enjoy a little privacy. That way, they'll be able to get some peace and quiet whenever they please.  A partitioned cage will run you quite a bit more than a standard one-room model, but can be well worth it for the added internal space it offers. Regardless of which type of cage you choose, make sure each rabbit has their own shelter or space to hide. A private place to burrow provides a healthy outlet for your pet to cope with stress. It’s possible for rabbits to get snagged or develop painful sores when standing in cages with exposed wire bottoms. Cages with solid bottoms have the added advantage of being easier to line and clean. If you already have a wire-bottomed cage you want to use, slide a flat piece of cardboard or scrap wood over the bottom to give your bunny a more comfortable surface to stand on. The door of your rabbit cage should open wide enough for all the necessary accessories to fit through without difficulty. This includes your rabbit's food dish, water bottle, bed, litter box, and any toys they'll be playing with. And, of course, it shouldn't be too tight a squeeze for your rabbit itself! Some cages have multiple entrance points, like an extra side door or an oversized hatch in the top, which can make inserting and removing various items easier. Rabbits are energetic...

Summary in Vietnamese:
Mua chuồng đủ rộng để làm ngôi nhà thoải mái cho thỏ. Mua chuồng thỏ có nhiều ngăn hoặc nhiều tầng. Chọn chuồng có đáy bằng nhựa chắc chắn. Chọn chuồng có cửa ra vào rộng. Đảm bảo chuồng có đủ không gian rộng rãi cho thỏ chạy nhảy.