Differencing
差分化
🗣️ 情景例句
Work harder and practice more.
要更加努力地学习，更加勤奋地操练。
We've only sold our product at trade fairs, not in an on-going sales campaign.
我们的产品只在商展时展售，而没有办促销活动。
We can't afford all that money.
我们花不起那么多钱。