把a likable person改为a generous person to her friends后,限定成分比较具体明确,段落的其他部分只需要通过几个例证来说明"母亲对朋友很慷慨大方"即可。
资金累计曲线在其他资料中曾简单介绍过，但未通过具体工程实例来进行说明。
Through the project case, this article fully display the utilization of the curve method of the funds accumulative in project, provides the basis for the engineering project management decision.
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