英语翻译前面还有这两句：It's aliving system of energy transfer.If need be passed up and passed on.
问题描述：
英语翻译
前面还有这两句：It's a
living system of energy transfer.If need be passed up and passed on.
答
It's a living system of energy transfer.It need(情态动词) be passed up and passed on.It's all about the system itself not the box it comes in.
这是一个活生生的能量传递系统.它需要传播和传递.这都是关于系统自身,而不是它所处的环境.