过去五年公司的利润呈现单调增长的趋势。

The company's profits have shown a ___monotonic upward trend over the past five years.

他单调的演讲让听众昏昏欲睡。

His ___monotonic speech made the audience drowsy.

这个数学模型假设需求曲线是单调的。

This mathematical model assumes the demand curve is ___monotonic.