Vocabulary on cooking, server

.
Listen to the native staff.  Ask questions of them.

Anonymous

Hi,

My friends and me are working as servers, waiter and cook assistant in an US restaurant. We are exchange student and still learning English. We don't have lots of vocabulary of this field. Can you give me some advice ? Thanks.

My friends and I are working as servers, waiter and cook's assistant in a U.S. restaurant.  We are exchange students  and are still learning English.  We don't have a lot of vocabulary in this field.

Mr. M's advice is very good.  I would just add that you should speak English among yourselves while on the job rather than your native language(s).

Thanks for your correcting

But I really don't know what the differences between "lots of" and "a lot of" ? I think they are the same :

We don't have a lot of vocabulary in this field.

Could you explain it please !