Some of them have much rougher conditions, have a harder time getting water, or sewage, or electricity.

其他营中的生活条件更艰苦，更难获得水、甚至是污水或电力等资源。

Two theories, theory one starts in a neighborhood with a need like power, ventilation or sewage.

有两种理论，第一种理论始于有电力、通风或污水处理等需求的社区。

But it turns out that the majority of microbes on earth aren't even in oceans or our guts or sewage treatment plants.

但事实证明，地球上的大多数微生物甚至不存在于海洋、我们的内脏或污水处理厂中。

You say small boats or sewage and rivers or the inability to get an NHS dentist — there's a whole load of things actually sort of going on in the country, which I think the national media don't always necessarily focus on.

你说小船或污水和河流或无法获得 NHS 牙医 - 实际上在该国发生了一大堆事情，我认为国家媒体不一定总是关注这些事情。