[] apply (to sb/sth) (for sth)to make a formal written request for sth 申请；请求◆The company has applied for planning permission to build a factory on the site. 这公司已申请了在工地建工厂的规划许可。◆Four people applied for the post of Assistant Manager. 四人应徵助理经理职位。◆Please apply in writing with full CV to the Human Resources Manager. 请以书面形式并连同详尽的个人简历向人力资源经理提出申请。◆I decided to apply to business school. 我决定申请（入读）商学院。
[] apply sth (to sth)to use sth or make sth work in a particular situation 使用；应用◆When you start work you must apply what you have learned at college. 当你开始工作时，你必须把大学学到的知识应用出来。◆As the new technology was applied to farming, fewer workers were needed. 随着新技术在农业中的应用，对工人的需求减少了。
[] (not used in the continuous tenses 不用於进行时) apply (sth) (to sb/sth)to concern or have an effect on sb/sth 有关，涉及（某人或某事）◆Special conditions apply to people who are under 21. 21 岁以下者按特殊情况处理。◆The tax will be applied to all new cars from next year. 从明年起，这税项将适用於所有的新车。