What is the slogan to promote Mandarin?

The slogan for promoting Mandarin is as follows:

1. Mandarin speaks to the world.

2. Promote Mandarin and connect people of all ethnic groups.

3. To speak Mandarin well, I rely on you, me, and everyone.

4. Speaking Mandarin, you can go anywhere.

5. Learn Mandarin well, and you will not be afraid of traveling around.

6. Everyone speaks dialects that are difficult to understand. Mandarin will accompany you as you move forward.

7. A hodgepodge of southern and northern accents is not as convenient as Mandarin.

8. Speak Mandarin hand in hand, and become Chinese with heart to heart.

9. Speak standardized Mandarin and be an upright Chinese.

10. Speak Mandarin well and I will accompany you all over the world.

11. Mandarin goes hand in hand with spring, and civilization and harmony advance together.

12. Speak Mandarin well and welcome the new Olympics.

13. Let standard language fill your home; let correct words be popular around you.

14. Speak Mandarin and be Chinese; write standard Chinese and be civilized.