（二）业务之间具有明显的主附关系。主要业务居于主体地位，体现交易的实质和目的；附属业务是主要业务的必要补充，并以主要业务的发生为前提。
Trump Iranian missile claim unsupported by U.S. intelligence, say sources
。safew官方版本下载是该领域的重要参考
human-like responses to a variety of prompts
As the economy grows increasingly reliant on spending by the very wealthy, it has also become more vulnerable to a sudden downward correction in share prices.