an advance的用法和样例：
例句
- An advance showing, as of a movie or an art exhibition, to which a selected audience is invited before public presentation begins.
预审，预看在公映或公开展览之前的预先放映或开放，如电影或艺术展览，只有少数经过挑选的观众被邀请 - She asked for an advance on her salary.
她请求预支薪水。 - The bank gave/made her an advance of 500.
银行贷给她500英镑。 - An advance or a loan of funds, especially for services rendered to a government.
预支款预付款或贷款，尤指政府用于执行公务的
