第一句：This model of typewriter is efficient and endurable, economical and practical for middle school students.
我方这种型号的打字机性能高，耐用，经济，实用，适用于中学生。
A:We are interested in your computer and typewriter.
我们对你方的电脑和打字机感兴趣。
B:This model of typewriter is efficient and endurable, economical and practical for middle school students.
我方这种型号的打字机性能高，耐用，经济，实用，适用于中学生。
A:That's good. Our customers are mainly middle school students.
太好了。我们的顾客主要是中学生。

第二句：The computer we produced is characterized by its high quality, compact size and it's also energy—saving, easy to learn and easy to operate.
我们生产的电脑质量好，体积小，省电，容易学习和操作。
A:The computer we produced is characterized by its high quality, compact size and it's also energy—saving, easy to learn and easy to operate.
我们生产的电脑质量好，体积小，省电，容易学习和操作。
B:So it is easy for young children.
所以孩子学起来很容易。
A:Yes. Suitable for middle school students.
是的，很适合中学生。