U.S. business leaders want Mr. Xi to promise that their companies will be treated fairly when they do business in China. They want China to reduce the theft of business secrets from American computer networks, too. Those cyberattacks have cost companies billions of dollars in recent years._________________________美国商界领导人希望习主席承诺美国公司在中国开展业务时得到平等对待.他们还希望中国减少从美国计算机网络窃取商业秘密.近年来,网络攻击造成各个公司损失数十亿美元.____________________________