You say secondly when you want to make a second point or give a second reason for something.
例句
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。
英汉词典释义
adv.
第二,其次
To start with,we haven’t enough money,and secondly we haven’t enough time.首先,我们没有足够的资金;其次,我们没有足够的时间。We can’t give Smith the position. To begin with,he’s too young;secondly,I want my son to have the job.我们不能把这一职位给史密斯。第一,他太年轻;第二,我想让我儿子就任这一职位。