一卡通

• Pinyin: yī kǎ tōng
• Desglose de hanzi: 一 = one/a single; 卡 = phonetic borrowing for 'card' (also: sandwiched, stuck); 通 = 辶 + 甬 (movement + channel — flowing through, universal, all-purpose)

Significado

tarjeta todo-en-uno; tarjeta multifunción

A modern compound coined in the era of smart card technology. 一 = one; 卡 = card; 通 = through/all-purpose. Common forms: 校园一卡通 (campus all-in-one card covering meals, library, and accommodation), 城市一卡通 (city transportation card), and various commercial integrated cards. Emphasises the convenience of replacing multiple cards with a single one.

Ejemplos

1. 大学新生入学时都会领到一张校园一卡通，凭此卡可以在食堂用餐、进出宿舍、借阅图书馆书籍。
2. 这座城市的一卡通支持地铁、公交和共享单车多种出行方式，充值一次便可畅行无忧。
3. 公司为全体员工配发了一张写字楼一卡通，集门禁、考勤与停车费缴纳功能于一体，大大简化了日常流程。

Guía de uso

Contexto: technology, campus, transport, daily life

Tono: neutral

Correcto

• 学校计划在现有一卡通基础上，整合预约、订场和快递代收，让一卡通用遍校园。(The school plans to build on the current all-in-one card system by integrating appointments, venue booking, and parcel pickup, so one card can be used across the campus.)
• 这款城市交通一卡通采用了近场通信技术，持卡人只需将手机靠近感应区域便可完成扣费，无需取出实体卡，极大地提升了高峰时段的过闸效率。(This city transport all-in-one card uses near-field communication technology; cardholders simply hold their phone near the sensor to complete payment without removing a physical card, greatly improving gate passage efficiency during peak hours.)

Incorrecto

• 我有一张一卡通信用卡 — 一卡通 and 信用卡 refer to completely different financial instruments; a 一卡通 is a prepaid or integrated smart card for specific closed-loop systems, not a credit card; the combination is contradictory

Origen e historia

一 (one/a single) + 卡 (card — phonetic borrowing from English 'card'; also used for 'stuck') + 通 (through/connected/universal — 辶 movement + 甬 channel; flowing through, all-purpose)

Contexto cultural

Época: Modern (post-2000)

Generación: All ages

Contexto social: Universal