During winter, my energy bill significantly increases.

This table is completely flat.

His room is decorated with colorful abstract paintings.

He said, 'It's difficult to make a life,' explaining the phrase 'When a man steps over the threshold, he has seven enemies.'

He said, 'Man shall not live by bread alone,' teaching me that spiritual satisfaction is also important.

This shape is called a great icosihemidodecahedron.

Sumiko is my best friend.

Please compare this apple and that orange.

He is world-famous as a comparative linguist.

When you cross the International Date Line, the date changes by one day.