Like -- VV: Well, I think everyone has seen the developments in the last 10, 15 years.

比如—— VV：嗯，我想每个人都看到了过去 10 年、15 年的发展。

Va-ca-tion. Vacation. It begins with the V consonant sound, where the bottom lip comes up and touches the bottom of the top front teeth, vv, vv.

假期。 假期。 它以 V 辅音开始，下唇向上并接触上门牙的底部， vv, vv。