企业劳动需求曲线的英文：
firms' demand curve for labour
n. 商号；企业
adj. 坚定的；坚固的；强有力的；确定的；坚挺的；严格的
v. （使）坚固；变坚实；加强；使坚定；回升
adv. 坚定地
Are the firm's finances sound?
这家公司的财务状况可靠吗?
His step was not as sharp and firm.
他的脚步不再像从前那样敏捷、坚实。
To become firm or gelatinous; congeal.
凝固凝结或变硬；冻结
n. 要求，所需之物；需求，需要
v. 要求；询问，质问；命令；需要
It is the demand, stupid.
傻瓜，答案是需求。
Demand exceeds supply. The supply is not adequate to the demand．
供不应求
I demand a recount.
我要求重算。
n. 曲线，弧线，曲面，弯曲；曲线球
v.（使）沿曲线运动
Joining Convex (Outer) Curves to Concave (Inner) Curves
缝合凸出的弯曲部位和凹曲部位
The road curved sharply to the right.
道路有个急转弯拐向右边。
To bend or curve downward;stoop.
弯向下弯曲；俯曲