A.
Countries prefer to keep business transactions between domestic partners.各国更愿意保持国内合作伙伴之间的商业交易。
B.
The range of problems confronted are wider and more complex.所面临的问题范围更广、更复杂。
C.
International businesses have an added layer of U.N. regulations.国际企业还有一层附加的联合国规定。
D.
International transactions involve exchanging currencies through each countries' treasury.国际交易包括通过每个国家的国库交换货币。