Such creative work is carefully crafted .

这样的创造性的工作都是通过精心构思的。

Guidelines making this clear were crafted by a panel of leading scientists in 2003 .

2003年，一流科学家小组精心制定了做出这种明确建议的指导方针。

This meant that time was wasted and that carefully crafted written arguments were required to get anything done .

这就意味着时间被浪费了，因而需要写下精心设计的论据去做任何事情。

Hard hitting sales letter crafted from direct marketing experts .

主攻销售信函从直接营销专家制作的。

And poorly crafted regulations may unduly raise the cost of new research , discouraging further innovation .

不合理地制定规则可能会增加新研发的成本，阻碍创新的发展。