Why is the room card not a room card?

Room cartoon is often used to represent the key card of hotel room, and "room card" is the English term of hotel room key card.

In Chinese, "card" is usually used to describe things similar to cards, such as "bank card" and "membership card". Therefore, when referring to the hotel room card, the Chinese word "room card" can express the meaning more clearly and the language is more concise and accurate.

In addition, the pronunciation of the word "room card" is similar to that of "room card", which conforms to the phonological law of language and is easier to pronounce and remember in daily use.

Therefore, although "room card" is not an English word, it refers to a reasonable and common expression of hotel room key card in Chinese.