阅读材料回答问题：

中国智能手机市场的格局以“迅雷不及掩耳盗铃之速”演变，曾经的“中华酷联”已经分崩离析，市场一度短暂形成“小华联”（小米华为联想）三国演义局面。其中，联想集团收购了摩托罗拉手机业务，增强了企业实力，提高了联想智能手机的国际竞争力；小米公司借助互联网通过电商渠道迅速打开市场，为大批“米粉”们提供了质优价廉的小米手机，2014年的销售量仅次于三星；华为公司利用自身的技术优势，不断加强研究开发，生产出性能优异的高端智能手机，市场竞争力不断提高，于2015年10月底成为中国智能手机市场第一大厂商。

运用所学知识分析，三家知名手机厂商的经营对我国的企业的发展有什么启示？

    The doorbell rang and Mrs Carson ____ (open) the front door. Her heart sank when she saw Mrs Burbridge. Whenever Mrs Burbridge called, she stayed ____ hours and hours.

    " Good afternoon, Mrs Carson," Mrs Burbridge said, " Do come in." Just as Mrs Carson had feared. Mrs Burbridge stayed for several ____ (hour). It was nearly six o'clock and Mr Carson would be home ____ work soon.

    Mrs Carson kept thinking about ____ she would ask Mrs Burbridge to leave without ____ (make) her angry. "Has your husband got home from work yet?" Mrs Carson asked. "Oh, yes," Mrs Burbidge answered, "he always ____ (get) home at about five o'clock." "It's nearly six o'clock. Won't he be worried about you?" Mrs Carson said.

    "I thought of that," Mrs Burbridge said, "but it's so pleasant here. We've had such a ____ (love) afternoon. You know what I'll do. I'll ring up my husband ____ tell him to come round, too. May I use ____ (you) phone, please?