Day 891 
--- Proverbs ---
※ 原句 ※
Doubt is the key of knowledge.
怀疑是获取知识大门的钥匙。/怀疑是获取知识的重要途径。
--- Oxford dictionary ---audit n.
①an official examination of business and financial records to see that they are true and correct
审计；稽核
an annual audit
年度审计
a tax audit
税项审计
②an offical examination of the quality or standard of sth
（质量或标准的）审查，检查
audit v.
①audit sth
to officially examine the financial accounts of a company
审计；稽核
②audit sth
To attend a course at college or university but without taking any exams or receiving credit
旁听（大学课程）
the Audit Commission n. [sing.]
(in Britain)an organization that checks that public money is being spent in the best way by local governments and other public services
（英国）审计署
audition n.
a short performance given by an actor, a singer, etc., so that sb can decide whether they are suitable to act in a play, sing in a concert, etc.
（拟进行表演者的）试演，试唱，试音
audition v.
①audition (for sth)
to take part in an audition
试演；试音；试唱
She was auditioning for the role of Lady Macbeth.
她试演了麦克白夫人的角色。
②audition sb (for sth)
to watch, listen to and judge sb at an audition
对（某人）面试，让（某人）试演（或试唱、试音）
We auditioned over 200 children for the part.
我们为这个角色面试了200多名儿童。
