主语是will and influence,两个并列的名词,只不过都有修饰成分,所以后面的谓语动词才能用复数.
翻译:他写到,美国“与亚洲合作的政治意愿及其在亚洲的影响”似乎正在减弱.
请参照百度在线例句
Even today, many foreign executives prefer to engage with large, well-established chinese partners.
甚至到了今天,许多国外管理者愿意与大型的、信誉良好的中国合伙人合作.
It still surprises me and the network of people you can engage with through blogging is a global one. 还有让我惊讶的是,你通过博客所能接触到人的范围是全球性的.