Unworked stone consistently represents less than 5 per cent of the total value of imports, and has dropped since 2005.
而荒料进口自2005年开始下降，2007年
进口总额的5%。
Unworked stone consistently represents less than 5 per cent of the total value of imports, and has dropped since 2005.
而荒料进口自2005年开始下降，2007年进口总额的5%。
明：以上例句、词
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代表本软件的观点；若发现问题，欢迎向我们指正。
