Too is an English word meaning "too", "too" and "very". In some contexts, too can also mean "in this case" and "for this reason". Too can sometimes be used as an adverb, a modifier adjective or an adverb, indicating the enhancement of the degree or the change compared with the conventional situation.

In English, too is often used with so to indicate the similarity of the nature or situation of things. For example, I am hungry. Me too (I'm hungry, so am I). I'm thirsty. Me too. Besides, in daily conversation, sometimes we use too to show that we have the same views or feelings as someone. I love chocolate. Me too (I like chocolate, so do I).

Too is widely used in business activities.

Too is also a common usage in business activities, which is used to express value or gift. In shopping promotion activities, merchants will use slogans such as "buy one get one free" or "buy one get one free, half price", which includes the meaning of too. For example, during the Chinese New Year, some merchants will attract customers' attention by means of "buy one get one free" and "two-piece set". Merchants convey "super value" information to consumers through the word "too", thus attracting a large number of customers to shop.