自发性投资（autonomous investment)

自主控制元件(autonomous controlling element)

自主性交易(Autonomous Transaction)

国际收支自动调节(BOP Autonomous Adjustment)

自主性交易(Autonomous Transactions)

自主性失衡(Autonomous Disequilibrium)

自主性交易(Autonomous Transactions)(南开大学2000研，上海外贸学院2006研)

The aim of the Grand Challenge is to spur development of autonomous ground vehicles.

A．Y

B．N

C．NG

Autonomous transactions are______.

A．transactions undertaken by governments to enforce a price (exchange rate) in the foreign exchange market

B．transactions that are not undertaken in the pursuit of commercial profit

C．transactions undertaken for normal commercial motives

D．none of the above