Words with the same form as simple and complex: fish (fish), deer (deer), sheep (sheep), works (factory), means (means), clothes (clothes), scissors (scissors), scales ( Scales), glasses (glasses), trousers (trousers), police (police), cattle (cattle), livestock (livestock), poultry (poultry).

1. Chinese

English [?t?a?ni：z] American [t?a?niz, -?nis]?

n. Chinese

The chef, staff and managers are all Chinese.

The chefs, staff and managers are all Chinese.

2. cattle

It means "cattle", so it is used as a plural noun. When used as the subject, use the plural form of the predicate.

All his cattle were grazing in the field.?

All his cattle were grazing in the field.

3. Police

The word usually means "police force", and the meaning of "police" is a collective noun.

The police are investigating the witnesses.?

The police are investigating the witnesses.

4. Poultry

It means "poultry", such as chickens, ducks, geese, etc. When referring to these living animals, it should be used as a plural noun.

1. Where are your poultry? Where are your poultry?

However, if it refers to the meat of poultry, it should be used as a singular noun.

2. Poultry is harder to come by nowadays than beef.?

Poultry is harder to come by nowadays than beef.

5. Livestock

It means "livestock raised on the farm". It is a collective noun. It is treated as a plural noun and uses a plural predicate.

The heavy rains and flooding killed scores of livestock.?

The heavy rains and flooding killed scores of livestock.?

The heavy rains and flooding killed scores of livestock.