in addition to , 要补充时用, 意思为除此之外,另外
In addition, Googles also another well-known search engine for internet users.
Beside 是旁边的意思, Besides 才是除此之外, 和in addition to 没什么区别.
Except （除了）, Everyone is coming for the dinner except him
in additional to和beside和except的区别