The adverb 除此之外 "besides”
It is used to introduce additional information in a sentence.
It is used to introduce additional information in a sentence.
The adverb 除此之外 
is used to complete a previous phrase. It may be placed before a predicate either at the beginning or in the middle of a sentence.
is used to complete a previous phrase. It may be placed before a predicate either at the beginning or in the middle of a sentence. Pay attention
除此之外 is separated with commas.
Examples
他是个老师，除此之外，我不知道别的
He is a teacher. I don’t know anything else about him apart from this
tā shì ge lǎoshī, chú cǐ zhī wài, wǒ bù zhīdao biéde
你需要钱和时间，除此之外，你还需要努力
You need money and time. In addition, you have to work a lot
nǐ xūyào qián hé shíjiān, chú cǐ zhī wài, nǐ hái xūyào nǔlì
学习必须不断努力，除此之外，没有其他方法
If you want to study, you have to study hard. There are no other ways
xuéxí bìxū búduàn nǔlì, chú cǐ zhī wài, méi yǒu qítā fāngfǎ
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