1.The company has built up a substantial lead in laser technology.
该公司在激光技术方面已大大领先。
2.More self-interestedly, they worry that much of the opposition's substantial lead in the opinion polls may be due to Mr Visco's exactions.
由于更多的出于私利的考虑，他们担心维斯科的强行征税会导致反对党在民意测验中领先。
3.ed that Obama has a substantial lead in North Carolina and that in Indiana, the two Democrats are either even or Obama has a slight lead.
民调显示，在北卡罗来纳州奥巴马大幅领先；而在印第安纳州，两位民主党人基本持平，奥巴马稍稍领先。
4.Amazon has rapidly innovated in the web services market and has a very substantial lead.
显然，亚马逊在网络服务领域的快速革新已经让它遥遥领先。