To achieve our goal we must make hard efforts to solve problems ahead.
要实现我们的目标我们必须努力解决我们面临的问题。
Effective multinational efforts are essential to solve these problems.
有效的多国联合努力是解决这些问题的基础。
Thus, long-term efforts may be still needed to solve these problems.
要解决这些问题可能需要长期不懈的努力。
We must pay close attention to these problems and continue our efforts to solve them.
我们要高度重视这些问题，继续认真加以解决。
We must pay close attention to these problems and continue our efforts to solve them.
我们要高度重视这些问题，继续认真加以解决。
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