food needs的用法和样例：
例句
- He also speculated that the need for sleep was akin to food, where getting less than people want may be better for them.
他还认为人们对睡眠的需求就如同对食物需求一样，实际摄入量比需求量少一点可能对健康有益。 - For example, it says Freetown, Sierra Leone, has established farming within the city limits to meet much of its growing food demands.
例如弗里敦和塞拉利昂已经在城市范围内制定农事，以满足正在增长的食物需求。
