It must be suitable for them, sufficient in quantity, fresh and clean.

它必须是适合他们，足够数量，新鲜和清洁。

youdao

Is it available in sufficient quantity?

这东西能不能足量供应？

《牛津词典》

The problem is that this may not be happening, or not in sufficient quantity, thanks in large part to over-regulation of business and indifferent education of the masses.

问题在于这种事情可能没有发生，或者发生的次数不够，其原因主要是由于对企业的过度监管以及大众糟糕的受教育程度。

youdao

The right capabilities must be developed years in advance of deployment, and then procured in sufficient quantity to meet the threat.

FORBES: How The U.S. Military Can Use Sequester Cuts To Its Advantage

It is, " he continued, "like military defense, physical infrastructure, education, public health, and basic research.... it is something society requires, and people want, but the market cannot generate in sufficient quantity or quality.

FORBES: Magazine Article

Overwhelming evidence substantiates the position that the Soviet Union does not now possess an indigenous capability to produce wire bonders or to obtain them from foreign sources in sufficient quantity or quality to render U.S. export controls irrelevant.

CENTERFORSECURITYPOLICY: Center For Security Policy