Bao Yu: Why only at the entrance of the forest.

Filament: Can irrigate trees.

Bao Yu: Look. It's really environmentally friendly.

Filament:

We need it for inspection.

So pitch a tent near the forest.

Waking up in the morning with urgency.

Hurrying into the "Forest Technology Restroom",

Bao Yu: Look. People have three urgency.

Filament:

On the virtual screen of the toilet door panel,

Just listen to the voice of the smart assistant:

If you have used this product, please say A,

For the first time, please say B,

For multiple use please say C,

Other please say Z,

Bao Yu: How do you answer.

Filigree: said to the screen: B,

Bao Yu: Look. Earth's public toilets are not like this.

Filament:

three seconds later.

The intelligent assistant voice said:

If you are satisfied with this product, please say A,

If you are not satisfied with this product, please say B,