1·Inferential activity is likely only when consumers are motivated and able to engage in effortful cognitive processes.
只有当消费者被激励并能够经历费力的认知过程时，推理活动才可能发生。
2·Not hard effortful-it is hard tricky.
不是难在需要努力上——而是很难处理。
3·Marked by a painfully slow and effortful manner.
以痛苦的迟缓和需要努力的方式为特点。
4·This structured knowledge is built by years of effortful study.
结构化知识非历经数年苦功不可得。
5·It takes about ten years of effortful study to become an expert
成为一名专家=十年的时间+刻苦学习
6·Your training has to be not only consistent, but also effortful.
训练不仅要持续，而且要努力。
7·To do this years of effortful study, motivation is a very important factor
长达数年的刻苦学习的关键：激励！
8·"You never sing enough," she added. Her smile to me was effortful and pinched.
“你从来就不多唱几句，”她又说，冲我微笑一下，显得牵强而痛苦。
9·Anecdotal accounts suggest that effortful learning may also help some patients.
还有一些消息指出，专注学习或许也能帮助一些病患。
10·I remember the sessions starting kind of slowly, and that the feeling was a bit effortful .
我记得开始的时候有点慢，而且感觉有点吃力。