on中文是什么意思？
add on [æd ɔn] （在计算或目录的末尾额外）加上，附加例如：
①Holiday-makers can also add on a week in Majorca before or after the cruise...度假者们可以在乘游轮游览之前或之后再在马略卡岛呆上一星期。
②Many loan application forms automatically add on insurance.许多贷款申请表自动附加保险。
