Ecn
abbr. 工程变更通知（engineering change notice）；显示拥塞通告（Explicit Congestion Notification）；电子通讯网络（Electronic Communication Networks）；应急通信网络（Emergency Communications Network）；表皮细胞坏死溶解（epidermal cell necrolysis）
🗣️ 情景例句
I read when I have the chance.
我有空时喜欢读书。
I'm not in.
我不在家。
and there is a very firm rule that the bank has no right or authority to pay out a customer's money on a cheque on which its customer's signature has been forged.
银行没有任何权利或理由把储户的钱让伪造储户签名的支票取走。