Fill in the two-part allegorical saying: the weather on the Qinghai-Tibet Plateau is changeable, just like

Examples of two-part allegorical sayings are as follows:

The weather on the Qinghai-Tibet Plateau is changeable, just like a child's face-just say a word and it will change.

The weather on the Qinghai-Tibet Plateau is changeable, just like in the morning during the day, the mother-in-law's face is always changing.

The weather on the Qinghai-Tibet Plateau is changeable, just like the picture on TV-just say it and it will change.