by word of mouth
US /baɪ wɜrd əv maʊθ/
UK /baɪ wɜrd əv maʊθ/
1.
口耳相傳, 口頭傳播
through people telling each other rather than through advertisements, etc.
:
•
Most of our business comes by word of mouth.
我們的大部分業務都是通過口耳相傳的。
•
The news spread quickly by word of mouth.
這個消息很快就通過口耳相傳傳播開來。