two的序数词和副词

two序数词为second，副词为secondly

例句

1、

Firstly， it's expensive， and secondly， it's too slow.

首先是价格贵，其次，速度太慢。

2、

You need， firstly， a strong independent board of directors and secondly， an experienced and dedicated staff.

你首先需要一个强大的独立董事会，其次需要一批富有经验并且爱岗敬业的员工。