Can the juicer only juice?
It depends on which Juicer you bought. Some Juicer can only squeeze fruit juice, some can also mince meat, beans and so on.
It can also be used to break some food and make it easier for cooking. For example, walnut and so on.
See what you buy, and some are juicer, and some belong to multi-functional, a juicer function to do a lot of things
