It is too expensive for farmers to use routinely, and since it is not effective until a month after vaccination, administering it after an outbreak begins helps very little.

对于农民来说，按常规来使用它则过于昂贵，而且由于它在接种疫苗后一个月才有效，所以在疫情爆发后才使用几乎没有什么帮助。

youdao

It is too expensive for her to pay for health care.

对她来说，支付卫生保健费用太贵。

youdao

It's not that I don't like the car, but I think it is too expensive.

不是我不喜欢这辆车，而是它太贵了。

youdao

Oftentimes, inventions that seem, in the abstract, to be good ideas may be impossible because something that you have to do to make it actually come into practice is too expensive and so it's not economic to produce the invention.

通常在理论上,创新固然不错,但却很难实现,因为把创意变成现实,花费会相当的昂贵,实现这样的创意非常不合算

耶鲁公开课 - 金融市场课程节选

Most enterprises will not be able to treat all their customers so well: it is too expensive.

ECONOMIST: Direct hit

And forget American Express as it is too expensive to the shop keeper.

FORBES: Cash Is Zeus: A Postcard From Greece

And, says Bill Hobson, some of his patients already have insurance through their jobs, but using it is too expensive.

NPR: Imagining More Widely Available Health Care