They acquired the skilful use of certain pictorial conventions .
他们已能熟练运用绘画的某些传统手法。
But their campaign strategists are both more skilful and more ruthless than their liberal counterparts .
不过他们的竞选策略比起他们的自由党对手来说既富有技巧又毫不留情。
What saved the midwest was not a temporary stimulus but a skilful rescue package , complete with government financing and public investment in research and development directed at next-generation electric vehicles .