The substantial investment required for developing a spoken language system in each specific task is a hamper to the widespread use of speech technology.

目前由于特定任务域语料的稀疏并且难以收集，这严重阻碍了对话系统的可移植性。

This case provides a valuable example that is significant for Chinese substantial investment and development of new low-carbon and renewable energy infrastructure.

这对于中国正推行节约型社会、优化用能结构以及新农村建设具有现实意义。

The Spanish city's substantial infrastructure investment leading up to the 1992 Games helped boost its appeal for visitors and businesses alike.

这座西班牙城市对1992年奥运会基础设施的巨额投入助其提高了对游客与商业的吸引力。

The tax breaks in that state would amount to around $46 million over a decade; and although the capital investment would be substantial, only around 50 full-time jobs would be created.

如果补贴实行的话，该州的税务减免额会达到4600万美元。 而且，尽管投入资本巨大，相应产生的全职工作岗位只会有区区50个左右。