Non-valid
[经] 无效的, 无根的, 不正当的
🧩 词语组成解析
non
[[nɔn]]
adv. 非, 不
🗣️ 情景例句
Due to lack of funds
由于缺乏经费
While we were having breakfast,John was talking on the telephone.
当我们正在吃早餐时，约翰正在打电话。
You can't buy them in the shop before eight o'clock.
上午八点之前你在商店里是买不到东西的。