As long as human immunity and disease a slight decline may occur.

只要人体的免疫力稍有下降，疾病就可能会发生。

youdao

The projections suggest a flattening off and then a slight decline in the foreseeable future.

在可预见的未来，人口预期是维持平缓水平然后缓慢下降。

youdao

The only exception was the year of 1991, when there was a slight decline as compared with the previous year.

唯一例外的是1991这一年，与前一年相比略微有所降低。

youdao

Owing to seasonal factors and macro weakness, the company estimates a slight decline in its revenue.

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However, there was a slight decline from September to October, the first month of the fourth quarter.

FORBES: The Income Side of GDP

Since the mid-1990s, there has also been a slight decline in gun-related violence.

ECONOMIST: Why do so many young Americans end their own lives?