Public spending necessarily affects the economy. 公共开支必然影响经济。

Individual symptoms are not necessarily typical of the disease. 患此病的个体症状不一定都典型。

Headings within the text should be bold but not necessarily bigger. 文章中的标题应该是黑体，但不必是更大的字体。

Our clients won’ t necessarily understand why we are raising our prices. 我们的客户不一定会理解我们提价的原因。

‘It’ s cheaper to buy a flat than a house.’ ‘Not necessarily.’ “买套公寓比买栋房子便宜。”“不一定。”