The Cultural Revolution is a part of China's history.

By regularly checking the key performance indicators, you can understand the performance of the company and devise improvement measures.

He cautioned not to speak ill of others, saying, 'Illness enters by the mouth, and disaster does not come out of it.'

The history of the Empire of Japan is very interesting.

I use mouthwash every day after brushing my teeth.

There was a major outbreak of foot-and-mouth disease in Japan in 2000.

As a miko acting as a medium, she conveys the words of the gods.

He faltered due to nervousness.

I have been to Zhangjiakou.

We will never know if he told the truth, because dead men tell no tales.