There must be reasons for doing things-conducting financial transactions and organising financial businesses-offshore instead of onshore. I believe there are three distinct reasons.

选择在离岸而不在岸上或本地进行金融交易及安排金融业务，必定有其原因，我相信当中明显的有三个。

youdao

That was followed by what one economist called the "Bigger Bang": the fast growth in offshore financial transactions funnelled through London thanks to the Euromarket.

紧随而来的是由于欧洲市场转而涌入伦敦的离岸金融的快速增长，即经济学家所说的“又一次金融大爆炸”。

youdao

It is impossible to tell who benefited from the warrants, because all of these transactions took place offshore.

BBC: Barclays misled shareholders about source of ?3bn

Mr Bondi will have to prove in court that, as he alleges, the bank has hidden documents and blocked his access to important information about transactions in some offshore-banking centres.

ECONOMIST: Parmalat

Second, many offshore banks ask about the nature of transactions expected to take place through the account.

FORBES: How To Open And Access An Offshore Bank Account