Joke Collection Website - Mood Talk - Please talk about the meaning of echo in the title of the article.

Please talk about the meaning of echo in the title of the article.

Response, response, * * * understanding, * * * knowledge.

1, echo, response: Echo can express an echo and reaction to an event, an idea or an action. For example, the reverberation caused by social problems shows that the society has paid extensive attention to and discussed a certain issue.

2.* * * Ming, * * Cognition: Echo can also express the * * * Ming and * * cognition between people caused by certain emotions, opinions or ideas. For example, the echo of love is the power of love passing from person to person and singing.