in addition和in addition to的区别：in addition的意思是另外，此外。在句子里单独做状语，一般用逗号隔开版。in addition to的意思是除…之外，后面要接名词或是动名词做to的宾语，在句子里做状语。
in addition和in addition to的区别
In addition to整个词组相当于一个介词,所以to的后面要接宾语。例如:
In addition to native plants, this garden contains numerous trees and flowers from overseas.
除了当地的植物之外,这座花园还有无数来自海外的花草树木。
In addition相当于副词,通常放在从句的句首,后面接完整的句子。例如：
This garden has the best collection of nativeplants. In addition, it contains numerous trees and flowers from overseas.
这座花园有当地植物的最佳珍藏。另外,它还有无数来自海外的花草树木。
in addition造句
1.You need money and time ; in addition , you need diligence.
你需要钱和时间，此外还需要努力。
2.You need money and time , in addition , you need diligence.
你需要钱和时间，除此之外，你还需要努力。
3.In addition to your good right arm you have your subtle brain.
除了一个好的助手，你还有一副机灵的头脑。
4.In addition to my studies, i got involved in lots of extracurricular activities.
除了学习以外，我参加许多课外活动。
5.In addition to his salary , he has a bonus of 25 yuan per month.
除工资外，他每月还有二十五元钱奖金。