七、意义含糊的先行词

　　① The band members collected his and her uniforms.

　　② The band members collected their uniforms.

　　八、介词和冠词的滥用

　　① The project of the government reduces the costs of production of the private firms.

　　② The government project reduces the production costs of private firms.

　　九、句子缺少成分

　　① When aiming for the highest returns， and also thinking about the possible losses.

　　② When aiming for the highest returns， investors also should think about the possible losses.

　　十、忘记断句

　　① I do not recall what kind of printer it was all I remember is that it could sort， staple， and print a packet at the same time.

　　② I do not recall what kind of printer it was. All I remember is that it could sort， staple， and print a packet at the same time.