A combination of internal and external factors caused the company to close down.

内外因结合导致了公司的倒闭。

《牛津词典》

Some small plants are forced to close down.

一些小型工厂被迫倒闭。

youdao

As a result, governments have had to close down some areas of sea to commercial fishing.

因此，政府不得不禁止某些海域的商业捕鱼。

youdao

Safdar Abbassi,a senator and long time PPP member who had close ties to Benazir Bhutto, told VOA that Mr.Zardari's recent actions to crack down on anti-government protests have provoked dissension within the party.

VOA: standard.2009.03.13

The Bank said the close-down was a one-off upgrade and will not need to happen again.

BBC: News | The Company File | Millennium bugs bank

After seeing Cas close to 24-12 down, Orford also dropped the killer goal just before the break which effectively closed the door.

BBC: Bradford Bulls 41-22 Castleford Tigers

Kwon Eun Jong, ceo of Worldposting.com, a Seoul-based e-commerce company, says that she has witnessed more than 20 start-ups close down in the past six months.

CNN: ASIANOW - TIME Asia | Is the New Economy Dead?