be short of造句

Jerky word is to be short of calcium likely.
抽筋的话有可能是缺钙.

Dot disposition is stubborn compare muddy, what vitamin be short of?
小孩子性格倔强比较浑, 是不是缺什么维生素啊 ?

Be short of human resource and training organization in this channel, etc.
营销人力资源匮乏,营销培训机构亟待建立等方面问题.