to give a spoken or written answer to sb/sth （口头或书面）回答，回应◆More than fifty people responded to the advertisement. 五十多人对这个广告作出了回应。◆We aim to respond to all email enquiries within 24 hours. 我们的目标是在 24 小时之内回覆所有的电子邮件查询。
to react to sth that sb has said or done 作出反应；响应◆Customers responded positively to the new packaging. 顾客对新包装作出了正面的反应。◆Profit margins are down and firms are responding by looking for ways to reduce costs. 利润率下降了，企业作出反应，正在寻找降低成本的途径。