First, refer to different
1, let's: let's.
2. let: let.
Second, the usage is different.
1, let's: The basic meaning of letting is to allow the other party to do what they want, and the extension can mean "rent" and "let go". Used in mathematics, it usually means "hypothesis"
2. let: when let is used as a transitive verb of "rent", it can take a noun or pronoun as an object or a double object, and its indirect object can be transformed into the object of the preposition to. When it is used in "let, make", it is usually followed by an adjective or a verb infinitive without to as the compound object of complement. For example, when it is followed by a verb infinitive as the object complement, it is used in the passive structure.
Third, the emphasis is different.
1, let us: are two words, let is a verb and us is a noun.
Let is a word, and let is the third person singular form of let.
Related information:
Let+ third person pronoun (accusative: he, she, it, them) or noun ~
Let's talk again.
Let's start at once.
Letmetryagain。
Let me try that one more time.
Let himself.
Let Tom go there by himself.
note:
Let's include each other, but let's not include each other. It is most obvious when using interrogative sentences.
Let's go, shall we?
Let's go, shall we?
Let's go, shall we?
Let's go, shall we?