The first section is the origin of the obligation of security.

第一部分，安全保障义务的溯源。

youdao

The second section is the theoretical analysis of the obligation of security.

第二部分，安全保障义务的理论分析。

youdao

The obligation of security care, with the major form of legal obligation, is applicable to the legal relations in engagements, transportation, service and education, etc.

安全关照义务存在于雇佣、运输、服务、教育等法律关系中，以法定义务为主。

youdao

As President and Commander-in-Chief, my most solemn obligation is the security of the American people.

WHITEHOUSE: The White House

The purpose -- the focus that he has is on our obligation to the security of American citizens and also getting the policy right.

WHITEHOUSE: Press Briefing

There is no Security Council resolution which imposes an arms embargo in Lebanon and such force would have as its obligation to report any violation of this particular Security Council resolution.

NPR: Talks Continue on Lebanon Truce, Troops