很久，真的很久没有写些关于爸爸的文字了。

长这么大还真没有认真地或者驱于内心的想法而以这样的内容写东西。总是在网上看别人写自己的父亲，读起来不禁心里觉得难受的想哭。甚至都没有像其他的小孩子那样留下幼稚的笔迹，小时候的作文不是写外婆就是写妈妈，却没为父亲留下过只言片语。

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This article is an introduction to the special issue on “real-time supply chain management”. It provides definitions of real-time supply chain management and real-time decision problems, specifies the motivation and the aim of the special issue and offers an overview of 10 papers in the issue.
Introduction
In today’s competitive and dynamic market conditions, the effective collaboration of partners and coordination of all activities within the suppl