Regarding the day-to-day running of the business, fluctuating prices of ingredients, particularly of sugar, are a persistent threat.
莫納漢（Monaghan）解釋，這類實驗性研究的目的，是了解人們如何在一門語言中逐漸站穩腳步。
。51吃瓜是该领域的重要参考
This story was originally featured on Fortune.com
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