used to say something is more general or less extreme than the usual meaning

UK She is deeply conservative with a small "c" (= has traditional values, rather than being a member or supporter of the Conservative Party). 尽管不是保守党的成员，她却是一个非常保守的人。

Management is all about politics with a small "p". 管理尽管不完全是玩政治，但确实是一种权术。