Canada will ban smoking in all offices later this year.

加拿大将于今年晚些时候禁止在所有办公场所吸烟。

《柯林斯英汉双解大词典》

Many firms ban smoking on the premises.

许多公司禁止在大楼里吸烟。

youdao

In 1994, California became the first U.S. state to ban smoking in restaurants and bars.

1994年，加州成为美国第一个禁止在餐馆和酒吧吸烟的州。

youdao

More than 20 of the 50 American states ban smoking in public places.

VOA: special.2009.01.07

In recent years there has been a strong push for local and state governments to ban public smoking.

VOA: special.2009.05.27

North Carolina passed a ban on smoking in restaurants and bars;

VOA: special.2009.05.27

Oh Please, will the idiotic 'Ban Smoking' lobby just stop making an issue out of nothing.

BBC: Man smoking (generic)

Ban smoking in areas where children are likely to congregate, such as school and sports grounds.

BBC: A playground

This said pubs not serving food and members-only clubs could choose whether or not to ban smoking.

BBC: NEWS | UK | UK Politics | Cabinet agrees England smoke ban