New words：

union ['ju:njən] n.联盟；工会；联合；联合会

Sample Sentences：

Spain is part of the European Union.
He was elected the leader of the union.
The union struck for better work conditions.
The Student Union is holding election today.

New words：

worldwide ['wə:ldwaid]
adj.影响全世界的；世界各地的
adv.全球性地；世界范围地

Sample Sentences：

There are 15 species of cranes worldwide.
Only 22 percent of forestland worldwide is protected.
Almost 1.5 million people have now died of COVID-19 worldwide.

New words：

trade [treid]
n.贸易；交易；行业；商业
v.买卖；做生意；做买卖；营业

Sample Sentences：

Which is your trade?
China does a lot of trade with many countries.
Trade between the two countries has increased.

Our products are now traded worldwide.
She traded three apples for a bunch of bananas.

worldwide ['wə:ldwaid]
adj.影响全世界的；世界各地的
adv.全球性地；世界范围地

New words：

bravery ['breivəri] n.勇敢；勇气

Sample Sentences：

He got an award for bravery.
The soldier earned a medal for bravery.
Several soldiers were decorated for bravery.
His bravery should be an example to all of us.

New words：

afford [ə'fɔ:d] v. 提供；给予；买得起；承担得起(后果)

Sample Sentences：

Can we afford a new car?
Dancing affords us pleasure.
We can't afford to pay such a price.
The country can't afford another flood.