Underclassification
降低货物等级
🗣️ 情景例句
You really need to eat more; you're too skinny.
你太瘦了，真得多吃点。
The market is declining, we recommend your immediate acceptance.
市场在萎缩，我们建议你方马上接受。
We've already had a big demand for this product.
这种产品我们已有很大的需要求量。