coming before and introducing or preparing for sth more important
sth done first
"training is a necessary preliminary to employment"
"drinks were the overture to dinner"
"a preliminary investigation"
We can never get to the discussion at all, because we can never complete the necessary preliminaries.
出自: B. Magee
以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌