youdao

The misconceptions in estimation concept of circle due to visualization, insufficient quantity sense etc.

在圆估测的迷思概念上，主要是儿童对量感不足，而导致视觉估测错误。

youdao

Although having varied supply mode, there still exist problems of insufficient quantity and unreasonable supply structure.

我国城市准公共物品的供给方式已多样化，但仍存在总量供给不足和供给结构不合理等现象。

youdao

Here the maths is unambiguous - we have insufficient budget for the carbon we are already emitting and by the time shale gas is produced in any quantity (five to 10 years), there will be no emissions space left for it.

BBC: Viewpoints: Fracking's risks and benefits