In international social life, how should we address a man and a woman?

在国际交往中，对男子和女子的称呼分别是什么？

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Students' 'dormitory provides international students with a comfortable space for living, study, and social life. In order to maintain an orderly environment, the following regulations are formulated.

留学生宿舍是广大留学生生活和学习的场所，为了使大家有一个安静的学习环境和正常的秩序，特规定如下。

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Frequent crisis management has inevitably become a major challenge in social life in a context of times of unpredictable international situation and deepening domestic reforms.

在国际局势变幻莫测、海内改造日趋深化的时期背景下，危机频发已经成为社会管理生涯中不可避免的重大挑战。

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The full and equal participation of women in political, civil, economic, social and cultural life, at the national, regional and international levels, and the eradication of all forms of discrimination on grounds of sex are priority objectives of the international community.

UNESCO: Vienna Declaration and Programme of Action