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9. Don't imagine that you are always doing short-term work and going in and out every day. This will make your transaction cost very high and lose a lot of money. The only benefit is the securities company. Moreover, you will not have such a high standard and you are not a banker.--Note: example is the database for testing, and the corresponding Example_log. Ldf is the log file for testing　　焦急的刘文庆尴尬地发现林星的身边竞多了一个自称是林星男朋友的吴晓，吴晓在宴会上不俗的表现，令林星兴奋。当林星想为此答谢的时候，吴晓也提出了一个更加荒唐的要求……　　基于Armistead Maupin所著同名系列小说，讲述Mary在为了追求事业而抛夫弃女二十年后，回到现在的旧金山，与女儿和前夫布Brian（保罗·格罗斯饰）重聚。逃离了貌似完美的康州生活所导致的中年危机，玛利·安很快就被拉回Anna、她所选择的家庭，还有巴贝瑞巷28号新一代奇特年轻住户的生活轨道上。　　讲述发生于2002年到2004年间伦敦警视厅警探科林·萨顿追查到一名连环杀手！调查真实连环杀人案的故事Strategically speaking, it may not be a very smart choice to completely turn a blind eye to sharp deviations, especially when this situation occurs when positions are very concentrated. Of course, this may easily miss dozens of times the myth, but it can also avoid the risk of putting all your eggs in one basket. The degree between these choices is related to the basic expectation of investment, the choice of risks and profits, opportunity cost, etc.