necessary的副词形式是什么
necessarily adv. 必要地；必定地，必然地；
Wealth is not necessarily synonymous with happiness.
财富未必等同于幸福。
Local feeling does not necessarily concur with the press.
当地人的看法不一定和媒体一致。
These are not necessarily hateful, malicious people.
这些不一定是心怀怨恨、有恶意的人。
A famous old name on a firm is not necessarily a guarantee of quality.
公司的\'老字号并不一定能保证质量。
Anger is not necessarily the most useful or acceptable reaction to such events.
生气未必是对待此类事件最有用或最适合的反应。