Spark off
导致, 为…的直接原因
🧩 词语组成解析
spark
[spɑrk]
n. 燃烧的颗粒;火星，火花，余火;（金属的）发光的颗粒;电火花;
vi. 发出火星，发出闪光;热烈赞同;正常运转;
vt. 发动，触发;激起运动，鼓舞;
off
[ɔ:f, ɔf]
prep. 从…落下;离开;从…去掉;下班;
adv. 离开;距，离;被取消;下班;
adj. 不新鲜的;不能接受;不礼貌;
n. 起跑;
v. 杀死;
🗣️ 情景例句
I majored in economic and trade English.
我主修的是经贸英语。
Prompt delivery would be necessary as we have a fast turnover in this trade. We would therefore need your assurance that you could meet all delivery dates.
即期交货很重要，因为这种货流转很快。所以我们需要你方保证及时交货。
It was stolen twenty years ago when Dan was a boy of fifteen!
这是20年前丹还是一个15岁的孩子时被人偷走的！