Now Laos is obviously a very underdeveloped country with limited facilities even for human healthcare.

老挝显然是一个非常不发达的国家，即使是给人类的医疗保健设施也很有限。

" Twelve men and twelve women, twelve from underdeveloped countries and twelve from developed countries, " says Sass.

“十二名男性和十二名女性， 十二名来自欠发达国家， 十二名来自发达国家， ” 萨斯说。

We believe that tomorrow this may also bethe alternative for the housing crisis that is a big realityfor many of our underdeveloped countries.

我们相信，明天这也可能成为住房危机的替代方案，住房危机是我们许多不发达国家面临的一个重大现实。

In the meantime, millions of people in underdeveloped countries still live in extreme poverty and are in desperate need of fresh water, food and basic medicine.

与此同时，不发达国家的数百万人仍然生活在赤贫之中，迫切需要淡水、食物和基本药物。

International organisations recognise polio as something to be eradicated so that it doesn't spread, but CP in the underdeveloped countries is not seen as a cause for concern.

国际组织认为脊髓灰质炎是一种需要根除的疾病， 这样它就不会传播，但不发达国家的 CP 并不值得关注。