求翻译：他们强调个人利益无条件的牺牲以换取集体和国家利益。认为人生的价值和意义在于对社会所尽的责任和所作的贡献。是什么意思？

They stressed the sacrifice of personal interests in exchange for unconditional collective and national interests. That the value and meaning of life is the responsibility of society and make contributions.

They emphasized unconditional sacrifice their personal interests in exchange for collective and national interests. View the value and meaning of life lies in the welfare of the community and the responsibility for their contributions.

They emphasized the personal interest unconditional sacrifice receives in exchange for the collective and the national interest.Thought the life the value and the significance lie in the contribution which and does to the social institute completely responsibility.

They stressed that individual without sacrifices in exchange for collective and State interests. Believes that the value and significance of life lies on social responsibility and contribution made by the.

They emphasize the sacrifice with unconditional individual interests in order to gain collective and the interests of the State. Think value and meaning of life to lie in the responsibility to the limit and contribution done of society.