How to drain the hotel bathtub?

The word "hotel" comes from French, which means a villa where rural nobles entertain VIPs. It is called "Hotel", "Hotel", "Hotel" and "Hotel" in China.

Hotel, its basic definition is a commercial organization that provides users with safe and comfortable space for a short rest or sleep.

Nowadays, hotels not only provide accommodation services for tourists, but also provide life services and facilities (bedtime services), catering, games, entertainment, shopping, business centers, banquets and conferences.