Bilateral act has the prior determinative force when both sides agree with each other, and for unilateral act, it just needs declaration of will of one side.

双方行为必须在双方当事人意思表示一致的情况下才能具有先定力，而单方行为只需有一方的意思表示即可生效。

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Instead, the United States will need to maintain or build bilateral relations with those few countries in Europe willing and able to act in the world, including with military force.

而美国将需要同欧洲那些愿意并能在世界事务中发挥作用的国家保持或建立双边关系，这种作用包括军事行动。

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Ambassador Ning Fukui told a security forum in Seoul Wednesday that China accepts the U. S. military presence in South Korea if the forces act within a bilateral framework.

宁赋魁大使星期三在首尔出席一个安全论坛时说，中国接受美国在韩国的军事存在，前提是驻韩美军在双边架构内行动。

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By contrast, the U.S. Commerce Department (roughly MITI's counterpart) was unable to play a corresponding role despite the spirit of then-pending legislation (the Bingaman amendment to the FY1989 DOD Authorization Act) requiring Defense to consult with Commerce in the negotiation of bilateral memorandums of understanding.

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"In an act of courtesy I offered a meeting to Foreign Secretary William Hague so we could discuss bilateral topics and multilateral issues like the UN Security Council, " he said.

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