in addition to除...之外(还)
In addition to a diet,she pursues various exercises on TV.
节食以外她还随电视做体操.
apart from除了...之外;
Apart from English,we study Russian and Spanish.
除了英语以外,我们还学俄语及西班牙语.
上面两个句子中词组短语意思相同,可以互换
但是apart from还有"脱离"的意思,如:She keeps herself apart from other people.她与别人保持距离.这里就不可换