今日のレッスン：Cleanliness
質問1：How clean is too clean?
When we say too clean, someone who uses anti-bacterial products very often.
質問2：How dirty is too dirty?
The surroundings are splashed with dirt, moistures, dews and molds.
質問3：How often do you clean your house or room?
I clean up my house almost everyday.
I get sunshine in the room and I can easily find dust.
