in advance

phr

• ① 在前
  • Please go in advance.请先走。

• ② 事先
  • We must get our tickets in advance.我们必须先买票。
  • I'll let you know in advance.我会事先让你知道。

• ③ 预先;预付
  • The money must be paid in advance.这笔钱必须先付。
  • The landlady wanted three months' rent in advance.女房东要求预付三个月的租金。