A derivative is a security which "derives" its value from another underlying financial instrument, index, or other investment.

衍生工具是一种金融工具，它是从其他原生金融工具如指数衍生出来的。

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It is also used to describe a security or other financial instrument, such as a bond or promissory note, which contains the issuer's undertaking to pay the owner.

它也用来描述证券或其他金融工具，比如债务或期票，这些票证包含了发行者必须向其所有者支付的承诺。

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The second is to point to, to its security, effectiveness should be controlled medical instrument.

第二类是指，对其安全性、有效性应当加以控制的医疗器械。

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This material is not intended as an offer or solicitation for the purchase or sale of any security or other financial instrument.

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Furthermore, the notion that they have the security of a debt instrument is usually a fallacy rarely is there any liquidation value when an early-stage company fails.

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The abuse of the Security Council, as an instrument of threat and coercion, is indeed a source of grave concern.

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