如果交易伙伴已经知道这些服务，也不一定要进入商业注册中心，但是全球服务需要公共注册中心，以便客户能够查找可用的服务。
If the services are known to trading partners, a business registry is generally not required, but global services need a public registry so any client can look up available services.
下一件事物他们知道，然而，他们是与一些其他的孩子一起载入一个小型公共汽车而且被拿到在他们进入制造砖块的服务之内被压的下一个省中的一间工厂了。
The next thing they knew, however, they were being loaded onto a minibus with several other children and taken to a factory in the next province, where they were pressed into service making bricks.
美国移民法要求卫生与公共服务部持有一个列有疾病的名单，使得的了名单上面的疾病的人不能进入美国。
U. s. immigration laws require the Department of Health and Human Services (HHS) to maintain a list of diseases that render people unable to enter the United States.
美国移民法要求卫生与公共服务部持有一个列有疾病的名单，使得的了名单上面的疾病的人不能进入美国。
U. s. immigration laws require the Department of Health and Human Services (HHS) to maintain a list of diseases that render people unable to enter the United States.
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