Many are untreated because of lack of access to services.
由于得不到服务，很多人未加治疗。
Most nations lack a single velodrome, let alone access to state-of-the-art wind tunnels.
很多国家连一个赛车场都没有，更不要说先进的风洞了。
Meanwhile, an "unacceptably high" number of people - about 1.3bn - still lack access to electricity.
同时，有13亿人——这是一个令人难以接受的数字——仍然得不到电。
Eighty per cent of the world's people lack access to adequate social protection.
80%的世界人口未得到适当的社会保护。
There were problems with health from lack of sanitation and access to clean water.
居住环境没有污水排放系统，没有洁净水。
There were problems with health from lack of sanitation and access to clean water.
居住环境没有污水排放系统，没有洁净水。
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