So preciou is time that we can t afford to wast it .

经不起浪费它时间是如此珍贵。

Abortion advocates may be correct in their a ertion that the practice is a nece ary tool of population control , but they seem to neglect the preciou e of human life in its earliest stages .

人工流产的提倡者认为它是控制人口的一种必要手段。他们也许是对的，但他们可能忽略了人的生命在最初阶段的宝贵。