Diversification depends on reduced correlation .

多元化是以降低的相关性为基础的。

But these goals are often achieved at a cost , like reduced immigration .

但实现这些目标往往是有成本的，如降低的移民。

Under the proposed arrangement , all division members would receive a subscription at a reduced rate as part of their membership benefits .

根据拟议的安排，所有分会成员都将获得一份费用降低的订阅，作为福利的一部分。

That number is so small that even with the reduced child mortality which usually accompanies development it cannot possibly sustain the population .

这个数字太小了，以至于伴随发展而降低的儿童死亡率都不足以维持儿童的数目。

However , this seasonal bias in general ( not only its october reading ) appears to have been much reduced in recent years .

然而近年来这一季节性偏差在总体上（不仅是10月pmi）呈现大幅降低的趋势。