Introduce (put forward central arguments and sub-arguments)

Arguments are divided into arguments 1+ arguments (cases)+analysis arguments.

This argument is divided into argument 2+ argument (case)+analysis argument.

Argument is divided into argument 3+ argument (case)+analysis argument.

Conclusion (refer to full text)

Language is the key to communication.

▲ the beginning part: rise up and talk in general.

▲ Part II: Parallel Structure

Argument 1: Proper language expression is beneficial to the communication of family ties.

Sub-argument 2: Proper language expression is conducive to friendly communication.

Argument 3: Proper language expression is conducive to the exchange of love.

▲ conclusion: deepen the topic and reiterate the point of view.