[译] 金银相比，前者更贵重。
[误] Of gold and silver, the former is more precious.

[正] Of gold and silver, the former is the more precious.
[注] 表示“两者中较……的一个”比较级前要加 the。如：I bought the more expensive one of the two. 我买了两个当中较贵的一个。/This metal is the more useful one of the two. 这两种金属当中，这种更有用。