adv.非正式地；非公認地
The tax office told the company, unofficially, that it would be prosecuted. 稅務(wù)局非正式地告訴公司，它可能被起訴。
Unofficially, some athletes received valuable prizes, including large sums of money from their home city-states. 非正式地，有些運動員得到有價值的獎品，包括他們家鄉(xiāng)城邦給的大筆獎金。
