Transactions that are conducted outside with evasion of law and therefore with no official records.

指没有官方纪录的交易，此类交易通常为了逃避法律和税收的约束。

youdao

An official written record of names or events or transactions.

姓名、事件或事务的官方书面记录。

youdao

Instead, the carry trade is typically done through transactions, such as currency forward swaps, that are off-balance-sheet and therefore do not show up in official statistics.

取而代之的是，投资者普遍通过买卖外汇远期互换等进行套息交易。这些交易都是资产负债表的表外项目，因此不反映在官方数据里。

youdao

The government says it is currently studying a number of options to ensure citizens' official transactions are secure.

BBC: Screen, www.service-public.fr

By Zimbabwean law, all official foreign-currency transactions must go through the central bank.

ECONOMIST: How to prop up the government

Under the new legislation, a high-ranking Treasury Department official must approve all transactions where CFIUS review is completed within 30 days.

FORBES: Reform Of Foreign Investment Review OK'd