They would also engage in complex derivatives that let clients bet on the direction of financial markets or let them hedge the risk of complicated trading strategies.
他们还搞复合衍生产品，让客户赌金融市场的走向或者对冲复杂化的交易策略的风险。
Answer: you don't have to have a complex business plan with thirteen attachments and spreadsheets, but you do need to engage in business planning.
回答：你不是必须拥有一个有13个附件和电子数据表的复杂业务计划。
He noticed that when a child first learns how to speak, she or he is totally immersed in a social context and highly motivated to engage in learning this new, amazingly complex system of language.
他注意到当孩子刚开始学习说话时，她或他完全沉浸在社会背景中，高度投入到学习语言这种令人惊奇不已的复杂新系统中。
In reality, the conversations that we engage in with people around us are much more complex.
现实中我们参与的和我们周围的人们的对话却复杂的多。
Hearing enables an animal to sense danger, locate food, find mates, and, in more complex creatures, engage in communication.
听觉让动物察觉危险、找到食物、寻找伴侣，更复杂的生物还用来沟通。
Hearing enables an animal to sense danger, locate food, find mates, and, in more complex creatures, engage in communication.
听觉让动物察觉危险、找到食物、寻找伴侣，更复杂的生物还用来沟通。
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