比率

cái wù bǐ lǜ

财务比率

financial ratios

rén dì bǐ lǜ

人地比率

population-land ratio

rú jīn zhōng guó de fǔ yǎng bǐ lǜ pái huái zài zuǒ yòu

如今，中国的抚养比率徘徊在40%左右。

Today, the dependency ratio in China hovers around 40 percent.

bǐ lǜ bì xū zhèng què cái néng wán quán rán shāo

比率必须正确才能完全燃烧。

The ratio must be correct in order to achieve complete combustion.