混合油漆时，正确的颜色比例很重要。

When mixing paints, the correct ___ratios of colors are important.

这个食谱中面粉和糖的比例是2:1。

The ___ratios of flour to sugar in this recipe are 2:1.

银行在贷款审批时会仔细查看企业的资产负债率。

Banks carefully examine debt-to-asset ___ratios when approving loans.