commitment
单词辨析：
指法规、合同等规定的该做或不该做的事，含强制之意；也指因诺言、誓言等而必须要做的事。
Employees are under no obligation to buy any products from their own company.
员工没有义务购买本公司生产的产品。
They have to fulfil the obligations imposed on them by the treaties.
他们不得不履行条约规定的义务。
He kept the secret for her out of a sense of obligation.
他出于责任感而替她保守秘密。
In fact, greater resources are needed to meet these obligations.
事实上，履行这些义务需要更多的财力。
指会去做某事的保证或保证去做的事情。
The company made a commitment to quality.
该公司对质量作出承诺。
88 percent of respondents said marriage should be a lifelong commit-ment.
88%的受访者表示婚姻应该是一辈子的承诺。
She's got a lot of commitments.
她作出了多项承诺。
指在道义或法律上应尽的本分，强调自觉性；也指工作职责，此时通常用复数。
He feels it is his duty to help his neighbors.
他觉得帮助邻居是他的责任。
She was brought up to have a strong sense of moral duty.
她从小就被教育要有强烈的道德责任感。
Never forget your duty to your motherland.
切勿忘记你对祖国应尽的义务。
His duties included sweeping the lawn.
他的职责包括清理草坪。
指某人的工作职责或某事物的职能或功用。
Are you ready to perform your functions in your new job?
你准备好在新的工作岗位上履行职责了吗？
What's the function of this newly founded department?
这个新成立的部门的职能是什么？
指管控某人或某事物的责任、对不良事件所负的责任或工作职责，强调对他人的责任。
Generally speaking, a promotion means higher salary and more responsibility.
一般而言，升职意味着更多的薪水和更大的责任。
It's your responsibility to inform them of any changes.
如有任何变动，你有责任通知他们。
Who should accept full responsibility for the political crisis?
谁应该为这场政治危机负全责？
Her responsibilities include handing out brochures and answering the phone.
她的职责包括分发宣传册和接听电话。
相关例句：
Following World War II, the first U.S. commitment to Europe came in the form of the 1947 Truman Doctrine.
二战后，美国对欧洲作出的第一个承诺便是在1947年提出杜鲁门主义。
They made a commitment to peace.
他们承诺要维护和平。
Their commitment was only to maintain the extent of forests, not their biodiversity.
他们仅承诺维持现有森林面积，并不保证林区生物的多样性。
Work commitments forced her to uproot herself and her son from Reykjavik.
她的工作迫使她和儿子从雷克雅未克搬走。
Occasionally I find the commitment and responsibility daunting.
偶尔我会觉得这一承诺和责任让人望而却步。
Have they, for example, demonstrated a commitment to democracy?
例如，他们是否已表现出会致力于民主？