supply and demand
英[splai ?nd di?mɑ:nd]
美[spla nd dm?nd]
n. 供求;
[例句]The heart of the problem is supply and demand
问题的核心是供求关系。
Supply and demand on the currency market will generally balance.
货币市场上的供求将大致持平。
《柯林斯高阶英汉双解学习词典》
3
Prices change according to supply and demand.
价格受供求关系的影响。
《柯林斯高阶英汉双解学习词典》
4
Both supply and demand are flourishing.
供需两旺。