Earning observation
[经] 收益观测值
🧩 词语组成解析
earning
['ə:niŋ]
n. 所赚的钱，收入;
v. 赚得( earn的现在分词 );挣钱;生（利）;获（利）;
🗣️ 情景例句
Who is that?
你是谁？
The lion's skin is never cheap.
狮皮从不贱。
Up to now, historians have assumed that calendars came into being with the advent of agriculture, for then man was faced with a real need to understand something about the seasons.
历史学家迄今认为日历是随农业的问世而出现的，因为当时人们面临着了解四季的实际需要，