Economics is a field of study that researches the allocation of societal resources.

Please be careful as there is a possibility of contamination in this area.

This water might be contaminated, so please do not drink it.

The roadrunner is known for its fast running.

I heard the sound of 'mye'.

There are water drops on the window glass.

I bought an economy class airplane ticket.

There are many things used in daily life around me.

His figure suddenly appears.

Every morning, I water the plants in the garden.