What's the difference between loft and homestay?

Different meanings, different architectural features.

1, with different meanings: Loft refers to those tall open spaces transformed from old factories or warehouses, with few internal walls, while B&B refers to small accommodation facilities that use local idle resources, residents and owners to participate in the reception and provide tourists with experience of local nature, culture, production and lifestyle.

2. Different architectural features: Loft is characterized by large space, high floors and no partition, while B&B is a small accommodation facility built in combination with local natural and cultural landscape and life production.