Acquire、Obtain和Gain都有“获取”之意。

Acquire：To Gain Knowledge/Technologies/Concepts/Talent By Your Own Efforts, Ability Or Behaviour （通过努力、能力、行为表现）获得，得到，习得“知识、技术、理念等”

Acquire Knowledge And Skills 学习知识和技能

Acquire a Taste For 开始喜欢

Acquired a Reputation取得名声

Acquire Foreign Technologies And Talent获得外国技术和人才

Obtain尤指经努力）获得，赢得（具体的东西），如专利、签证、许可或信息等

Obtain Advice 得到忠告

Obtain Information得到信息

Obtain Permission信息许可

Obtain Indemnity 获得赔偿

Obtain Feedback 获得反馈

Gain后的对象较多，范围较广，既可以接具体的事物，也可以接抽象的事物

Gain experience 获得经验

Gain profit 获得利益

Gain weight 体重增加

Gain access 获得访问权限

参考双语例句：

The mission of the Centre is to assist members of the Economic and Social Commission for Western Asia and public and private organizations to acquire the tools and capabilities necessary to accelerate socio-economic development in order to attain technological parity with other nations and regions of the world, and to contribute to the conversion of the economies of member countries into economies based on scientific and technological knowledge.

该中心的使命是协助西亚经济社会委员会成员以及公共和私人组织获得加快社会经济发展的必要工具和能力，以达到与世界其他国家和地区相等的科技水平，并协助成员国经济转型为以科学技术知识为基础的经济。

Policy commitments have been hard to obtain with rapid political changes during times of conflict, and momentum seems lost on certain important areas like gender, but intensive lobbying has resulted in dedicated focal points in the Ministry of Education, e.g. for gender (each agency under MOES), HIV/AIDS and for ICT in education.

在冲突时期，政治情况瞬息万变，很 难获 得政 策 承诺 ，在某些重要领域，如两性 问题领域，似乎已经失去了势头，但深入的游说工作终于在教育部产生了专门的协调中心，如性别问题协调中心（在教育部下的每个机构）、艾滋病毒/艾滋病协调中心和教育信息通信技术协调中心。

互联网是一个社会信息大平台，亿万网民在上面获得信息、交流信息，这会对他们的求知途径、思维方式、价值观念产生重要影响。

As a broad social platform through which millions upon millions of users obtain and exchange information, the internet has a profound influence on the way people acquire knowledge, on the way they think, and also on their values and views.

The provision of $7,200 is requested for travel related to seminars/ conferences/workshops for the Registrar and Executive Secretary of the Award Review Board to attend the International Public Procurement Conference to gain experience and knowledge about best practices in the industry ($3,400), and for attendance at the annual conference of the Association of Internal Management Consultants, which is the key forum in North America for the exchange of best practices for improving organizational performance, as well as for staff to attend workshops on core principles, models, tools and examples of organizational design to facilitate strategies and innovation for management within the Secretariat ($3,800).

请批7200美元的经费，用于授标审查委员会书记官长和执行秘书与研讨会/会议/讲习班相关的差旅费，出席国际公共采购会议以获得关于行业最佳做法的经验和知识(3400美元)；出席内部管理顾问协会年会，这是北美的一个主要论坛，旨在交流改善组织业绩的最佳做法，以及让工作人员参加有关研讨会，讨论核心原则、模型、工具和组织设计范例等问题，以推动秘书处内的管理战略和创新(3800美元)。