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任何匹配方式都又可能带来咨询，就看您怎么选择了！展示力度或者说流量大小从大到小排序如下广泛 > 短语-核心匹配 > 短语-同样匹配 > 短语-精准匹配 > 精准客户精准度或者说点击转化效果从小到大排序如下：广泛 < 短语-核心匹配 < 短语-同样匹配 < 短语-精准匹配 < 精准由于百度是CPC模式,因此大多数情况下从左到右,花费也越来越少,注意这里的花费不等同于单次点击扣费因为每个关键词的出价是不同的出价相同的情况下,点击率也会影响到整个推广计划/推广单元的花费(一)广泛匹配1) 同义近义词：英语培训、英文培训2) 相关词：外语培训英语暑期培训3) 变体形式（如，加空格、语序颠倒、错别字等）：英语培训、暑期培训英语4) 完全包含关键词的短语（语序不能颠倒：英语培训暑期班、哪个英语培训机构好建议使用情况:(3种)比较冷门的行业和冷门的关键词,提高展现量推广计划(单元)的关键词一定长的周期(7天,14天)展现量较低,可调整为广泛匹配想要占领市场绝对份额的企业账户,为了吸引足够多的流量(二)短语匹配建议使用情况:(5种)关键词普及度不高,网民对此模棱两可的词语企业品牌知名度尚处在成长阶段的账户实行全国分区管理的企业品牌(北京,上海等)产品属性种类较多的企业(如颜色,性能,配置等)可能会产生多种不同用户行为的服务企业(如58到家,58金融,58二手车专卖)(三)精确匹配使用精确匹配，仅当网民的搜索词与您提交的关键词完全一致时，您的推广结果才有展现机会。建议使用情况:(3种)广告费预算较少的企业账户观察账户发现存在较多浪费点击的关键词产品属性唯一深入人心综上,没有固定的关键词匹配模式,具体情况具体分析,要灵活调整

For tax purposes, the Internal Revenue Code permits the deduction of business expenses in the taxable year in which those expenses are paid or incurred. This is in contrast to capital expenditures[2] that are paid or incurred to acquire an asset. Expenses are costs that do not acquire, improve, or prolong the life of an asset. For example, a person who buys a new truck for a business would be making a capital expenditure because they have acquired a new business-related asset. This cost could not be deducted in the current taxable year. However, the gas the person buys during that year to fuel that truck would be considered a deductible expense. The cost of purchasing gas does not improve or prolong the life of the truck but simply allows the truck to run.[3]Even if something qualifies as an expense, it is not necessarily deductible. As a general rule, expenses are deductible if they relate to a taxpayer’s trade or business activity or if the expense is paid or incurred in the production or collection of income from an activity that does not rise to the level of a trade or business (investment activity).

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