1 sentence for 保守 (bǎo​shǒu — cautious)

1. 这是对公元二○○○年时人口的保守估计。

   zhè shì duì gōng​yuán èr○○○ nián shí rén​kǒu de bǎo​shǒu gū​jì.

   This is a conservative estimate of the population in the year 2000.

   Source: UM-Corpus: Education