Some problems about the hotel industry in france.

les cha？ nes h？ Telières refers to hotel chains, such as the famous French hotels IBS, Novotel and Mercure.

Les labels refers to hotels and hotel logos, which means that each hotel has its own logo. For example, you can check what Logis de France's logo looks like. This sign is actually a sign of the quality of service or facilities.

écolabel refers to the environmental protection sign, and the services or facilities of hotels with this sign meet the environmental protection requirements. You can pay attention to La Clef Verte and Eco-label européen, both of which are environmentally friendly hotels.

Promotion is a marketing strategy.

Commercialization is commercialization, commercialization.

For the second question, can the landlord give some information before and after to facilitate the explanation?