Yc
abbr. 云南商务管理体系（Yunnan Commodity和Yunnan Commerce的缩写）；重型橡套软电缆的一种型号
🗣️ 情景例句
Our date today was NATO(No Action, Talk Only).
我们今天的约会只说不做。
This problem is hard to solve.
要解决这个问题不简单。
On Sundays, hundreds of people come from the city to see our town and to walk through the woods.
每适星期天，有许许多人从城里来观赏我们的小镇，并在树林中散步。