The diversity of the international community is conducive to complementing each other's strengths. Regardless of whether the social systems are the same or different, they can and should learn from each other. The advantages of a civilization do not require coercion, and others will learn; conversely, coercion, others will not In terms of learning, nations should also actively seek the convergence of interests and cooperate to solve common problems facing humankind. These areas of cooperation are very broad, such as sustainable development, pollution control, and anti-drug and terrorist activities. From this we can infer:. ['Common problems in countries with different social systems.', 'Differences in civilization between nations are shrinking.', 'Diversity of the international community facilitates terrorist activities.', 'One country can never learn the weaknesses of another country.']