Composition在普通英语中的常见意思为作文，结构。在法律英语中的意思为：

1、和解协议，指债务人与全部或至少相当一部分债权人达成的此类协议。

如In case a settlement agreement is reached through conciliation between the debtor and creditors, the court shall make a decision in accordance with the contents of the composition reached by and between both parties.

经债务人和债权人经调解达成和解协议的案件，法院应当根据双方当事人和解协议的内容，作出判决。

2、the different parts which sth is made of; the way in which the different parts are organized 成分；构成；组合方式

Composition of the board of directors 董事会的组成

Optimize product composition 优化产品结构

Product composition 产品构成

参考双语例句：

The main issues deliberated by the Bills Committee included the registration requirements on persons involved in lift and escalator works and the related transitional arrangements; the coverage and liabilities of responsible persons; the penalty levels of the offences under the Bill; control over subcontracting of lift and escalator works; measures to ensure proper functioning of the emergency devices of lifts; composition of the disciplinary boards and appeal boards; and the manpower supply for lift and escalator works.

法案委员会所商议的主要事项包括：从事升降机及自动梯工程的人士的注册规定和相关的过渡性安排；负责人的涵盖范围和法律责任；条例草案所订罪行的罚则水平；对分包升降机及自动梯工程的管制；确保升降机紧急装置运作妥善的措施；纪律审裁委员会和上诉委员会的组成；以及升降机和自动梯工程的人手供应。

any company in the equity capital of which he, his family interests, any of the trustees referred to in (iii) above, acting in their capacity as such trustees, and/or any trustee interests taken together are directly or indirectly interested so as to exercise or control the exercise of 30 per cent (or such other amount as may from time to time be specified in the Hong Kong Code on Takeovers and Mergers as being the level for triggering a mandatory general offer) or more of the voting power at general meetings, or to control the composition of a majority of the board of directors and any other company which is its subsidiary or holding company or a fellow subsidiary of any such holding company.

他、他的家族权益、上文(iii)所述任何受托人（以受托人身份行事）及/或任何受托人权益合计，直接或间接拥有的权益资本可行使或控制行使股东大会表决权的30%（或香港收购及合併守则不时指定为触发强制性全面收购的其他百分比）或以上，或控制董事会多数成员组成的公司，或身为该公司附属公司或控股公司或任何该等控股公司的同系附属公司的任何其他公司。

The environmental impacts associated with mining activities, which vary from region to region depending on mining and disposal technologies and local features, include the nature of the ore/mineral; the depth of the deposit; the chemical composition of the extracted matter and the surrounding rocks; naturally occurring substances; topography; climate; and reclamation practices.

与采矿活动有关的环境影响，因地区而有差异，视采矿和处理的技术以及当地的特征而定；其中包括：矿石/矿物的性质；矿床的深度；掘出物质及其周围岩石的化学成分；原生 物质；地形；气候和修复方法。

The Security Council also has before it document S/2010/444, which contains the curriculum vitae of the candidate nominated by the national groups, as well as a memorandum by the Secretary-General (S/2010/442) that describes the present composition of the Court and sets out the procedure to be followed in the conduct of the election.

安全理事会面前还有文件S/2010/444，内载各国家团体提名的候选人简历，以及秘书长的一份备忘录(S/2010/442)，其中描述了法院目前的组成，并说明了在举行选举时须遵循的程序。