🧩 词语组成解析
van
[væn]
n. 先锋;厢式货车;增值网;先驱，前驱，领袖，领导人;
vt. 用车搬运;
prep. 〈外〉同“from”;
abbr. 区分编码规则（Distinguished Encoding Rules）
n. 势力；兵力；武装力量（force的复数形式）
🗣️ 情景例句
It's OK, Susan.
太好了， Susan。
I haven't heard from him for a long time.
我很久没有收到他的信了。
We are really glad to see you so constructive in helping settle the problems as regards the signing of the contract.
我们很高兴您在解决有关合同的问题上如此具有建设性。