重点讲解：
1. map out
设计；计划；规划；安排；
eg. She mapped out her ideas on the new project.
她详细提出了对新项目的意见7W&od6K0[.)^46L3。
eg. We spent weeks mapping out our holiday.
我们花了好几个星期筹划如何度假c2rcJ(Kx46Fj。
2. in general
总的来说；总体上来看；大体上；
eg. In general, machinery has replaced most hired labor.
总的说来，机械已经代替了大部分雇佣劳动力Rc)DD9JjO4e-C(.uA。
eg. I was in general agreement with this strong policy.
总的说来,我同意这种强硬的政策n!66txG[_iz@(Y^。
3. suffer from
（因疾病或处于其他不利境地而）受苦，受难，受折磨；
eg. Niwano's business began to suffer from neglect.
尼瓦诺的生意因为疏于管理而开始出现问题3)kQLa^YE&kkjTMfZH&。
eg. He is suffering from nervous tension.
他正受神经紧张之苦+z.MV0(u5N53Y。
4. major in
主修…的学生，…专业的学生；
eg. I major in engineering, but this machine is hard to handle.
虽然我学的是机电专业，但这机器还是很难修I_xxr;!3zJrJQAL。
eg. He majored in international commerce in college.
他大学时的专业是国际贸易PD2pN24j,Q]mLgZvI。
5. compared with
与…相比；和…比起来；
eg. Compared with them,we still have a long way to go.
和他们比起来，我们还有很大差距mVORJl31_zD[n8GF。
eg. They considered this speech mild compared with his former ones.
他们认为他这次的讲话和过去的讲话相比起来还算是温和的L_SUKfSGR|2t=i7wEu(。
6. on average
平均起来；按平均值；
eg. There is very little rain here, merely 60 mm in a year on average.
这儿雨水极少，平均每年只有60毫米V^BJUmi+Zu8@U#e=zS0。
eg. On average, three persons lose their jobs every day in this town.
平均来说，这个小镇每天有三个人失业I;or3so7hO。
7. be aimed at doing sth.
旨在；目的是；
eg. This self-massage is aimed at promoting longevity.
这种自我按摩的目的是延年益寿g[xA;LCu3j&I23xuPOu。
eg. The measures were aimed at shoring up the economy.
采取这些措施，目的在于稳定经济USX25(z_PeP+Y@。