Dreye权威释义 | economics

n.

经济学[J]
She is studying economics at college.
她在大学里读经济学。
（国民的）经济情况；经济[K]
The economics of national growth are of great importance.
国民经济的增长情况具有极大的重要性。

同义参见:

以上来源于：《英汉大辞典》

pl. n.

[often treated as sing.] the branch of knowledge concerned with the production, consumption, and transfer of wealth.

以上来源于：《简明牛津英语词典》