If you say what is ordinarily the case, you are saying what is normally the case.
例句
The streets would ordinarily have been full of people. There was no one...街上通常應該人滿為患，當時卻空無一人。Similar arrangements apply to students who are ordinarily resident in Scotland.類似的安排適用于長期居住在蘇格蘭的學生。
英漢詞典釋義
adv.
平常地,普普通通地
ordinarily dressed pedestrians on the street.街上衣著平常的行人an ordinarily small profit.恒常的小贏利