By 2300 B.C.E. the number of signs required had been reduced to 600, and the range of words that could be expressed had widened.

到公元前2300年，所需的符号数量已减少到600个，词汇可表达的范围也扩大了。

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By 2009 it had widened to 34 points.

到09年这一差距扩大到了34点。

youdao

By 2009, however, the gap had widened again, to 6.4% of GDP.

到2009年，差距再度扩大，达到了GDP的6.4%。

youdao

In early 2008, Vietnam's inflation rate had risen to 25 per cent, while the country's trade deficit widened to more than $14 billion.

VOA: standard.2009.10.16

By 2005, the latest figures available, the gap had widened considerably to about 36 million.

CNN: Behind high gas prices: The refinery crunch

But the gap between rich and poor had widened too far for many New Zealanders.

ECONOMIST: New Zealand

Ken Judge, professor of public health and health policy at Glasgow University, said that in general terms health was getting better for everyone but that the "relative gap had widened".

BBC: The lives of some men in parts of Glasgow are shortening