You should capitalize the whole title:
According to
the Longman Dictionary, the word ...
Use " " marks:
According to
Longman Dictionary, the word "university" means ...
So you mean that the problem of my writing is the vocabulary that I used it in that writing!!!
Ha ha, well.. I have so much respect for people who are bilingual. I know a little Spanish, and if I tried to write an essay like this in Spanish it would not be nearly as good as your essay is in English.
Besides , one of the...
Let's not use "besides" here. Usually, when besides is at the beginning of a sentence, it means the same as "moreover." It usually is used when making an assertion or argument. "You should do it, because I did it last time. Besides, you are more skilled at it."
Another important reason for attending universities is to get more opportunity for jobs. Nowadays,
everything technology has developed, and people have to improve themselves according to it.
which forces people to improve themselves according to this.:-)