[] () any investment such as shares, bonds, options futures , etc. that is bought and sold in an organized system票据；证券；信用工具◆We have had to replace our investments with lower-yielding instruments.我们必须用低收益率的票据取代我们的投资。◆fixed-income instruments定息票据◆equity/liquid/low-risk instruments权益性工具；可变现的有价证券；低风险工具SYNfinancial instrument a tool or device used for a particular task, especially for delicate or scientific work器械；仪器；器具◆optical/precision/surgical instruments光学／精密／手术器械a device used for measuring speed, distance, temperature, etc. in a vehicle or on a piece of machinery（车辆、机器的）仪器，仪表◆the flight instruments飞行仪表◆the instrument panel仪表盘 () a formal legal document正式的法律文件；文书◆an instrument of transfer (= that shows that property has been passed to sb else)转让文书（说明财产已转让给别人）derivative instrument financial instrument trust instrument