decline

传统的家庭烹饪正在逐渐减少。

Traditional home cooking is on the ___decline.

我们很感谢这次邀请，但我们必须谢绝。

We appreciate the invitation, but we must ___decline.

该公司报告上一季度销售额急剧下降。

The company reported a sharp ___decline in sales last quarter.