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Policy pattern refers to defining a series of algorithms and encapsulating them. However, policy pattern not only encapsulates algorithms, but also encapsulates a series of business rules. As long as these business rules have the same objectives, we can use policy pattern to encapsulate them.Investors need to recognize one point clearly. For investors in general, most weeks should focus on watching and waiting for the worst opportunity calmly. Avoiding frequent trading is one of the recognized winning secrets. I don't want to seize all the shocks, nor do I want to expect to judge every stock market accurately.这部电视剧主要讲的是耐安就是剧中的芳草和大刚之间的情感和冲突。芳草开始是去他们家当保姆，后来和大刚的爸爸产生了感情，最后成为了大刚的后妈，在这个过程中，有很多感人的情节，最令人感动的可能就是在历经许多事之后，大刚叫妈妈的时候。我很喜欢这部电视剧，耐安总是给人一种很善良、很舒服的感觉。大刚很有个性，虽然其中有抵触，有气人的时候，却又很懂事，像个小男子汉，长大了也会是个顶天立地的好男儿。　　那天，有彥就站在對街，如薇走向了有彥，她心裡有一份迫不及待的喜悅急著要分享給有彥。是一個「好機會」，公司派如薇調往上海，職位、薪水都有那份滿滿的成就感。As early as almost a year ago, Liang Qianting, a shipping company clerk, pretended to be pregnant and wrapped her belly with a towel. In addition, she had pseudopregnancy and obesity, and cheated her colleagues, doctors and even her husband. (She once stole photocopies of her colleague's pregnant B-ultrasound photos for her husband to see).