2.I am more interested in business so I would prefer not to study English varieties unless it is really necessary.

我对生意更感兴趣，因此，要是没有必要，我宁愿不学习多种英语。 would prefer not to do sth."宁愿不做某事"。 I would_prefer_not_to cook for myself and often eat in a restaurant.

我不愿自己做饭，常在饭店吃饭。 3.Thirdly, you say that there is a discount provided that I pay in advance.

第三，你们说我只要预付款就有折扣。 provided that 引导条件状语从句。 Provided_(that)_you_promise_not_to_tell_anyone_else,_I'll explain the secret.

只要你保证不告诉任何人，我就把这个秘密讲给你听。 　　

　　1．(教材P12)The right choice for all applicants.

　　所有申请者的正确选择。

　　applicant n．申请人

　　(1)application n．　　　　　 申请；应用

　　(2)apply vi. 申请

　　 vt. 应用

　　apply (to sb.) for sth. (向某人)申请某事

　　apply sth. to sth. 把......应用于......

　　apply oneself to doing sth. 专注于/集中精力做某事

　　①The secretary arranged a convenient time and place for the applicants to have an interview.

　　秘书为参加面试的求职者安排了合适的时间和地点。

②(2015·陕西高考书面表达)I'm Li Hua, a student from Class 2, Grade 3.I'm writing to_apply_for the position as a student volunteer.