美联储坚持利率不变的决定最有可能的解释是现在还太早，无法判断最近的新情况是否对经济增长有影响。
The likeliest explanation for the Fed's decision to stand pat is that it is too soon to know whether the recent developments have affected growth.
2009年全球产出大约减少了1%还多(基于平价购买力不变的情况下)——这是自1945年以来全球经济产出第一次切实的减少。
In 2009 world output probably shrank by more than 1% (on a purchasing-power-parity basis) -the first time since 1945 that the global economy actually got smaller.
现在它的收入占约23%，伊梅尔特先生指出，即使经济好转，情况可能维持不变。
Now it brings in about 23 per cent and Mr Immelt has indicated he would like things to stay that way even when the economy turns.
即在保持经济增长率不变的同时可以进一步降低波动，或者在保持经济波动不变的情况下提高经济增长率。
To explain in details, we can either reduce economic fluctuations while maintaining the growth rate or raise the growth rate while the extent of economic fluctuations is fixed.
在非洲和亚洲的农村地区，这种疫苗是无法获得的，经济上也负担不起，这就是为什么慢性乙型肝炎患病率仍然居高不下，预计这种情况将保持不变。
This vaccine is unavailable and out-of-reach financially in rural Africa and Asia, which is why chronic hepatitis B rates remain stubbornly high and are projected to remain unchanged.
在非洲和亚洲的农村地区，这种疫苗是无法获得的，经济上也负担不起，这就是为什么慢性乙型肝炎患病率仍然居高不下，预计这种情况将保持不变。
This vaccine is unavailable and out-of-reach financially in rural Africa and Asia, which is why chronic hepatitis B rates remain stubbornly high and are projected to remain unchanged.
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