The question here is to what extent people were willing to substitute one grain for another or, elsewhere, one type of cloth for another.

这里的问题是有多少人会用另一种粮食来替代或用一种布来替代另一种布。

youdao

"As a result, some people believe that e-cigarettes are a safe substitute for conventional cigarettes," said Prue Talbot, the director of UC Riverside's Stem Cell Center, whose lab led the research.

加利佛尼亚大学干细胞研究中心主管，他的实验室正在进行此项研究。他说：“正因为如此，许多人认为电子烟是安全的，完全可以替代传统香烟。”

youdao

Outside shareholders should remember that loading up the people at the top with shares can be an aid to corporate governance, but not a substitute for it.

处于管理层外的股东要牢记，给那些管理者以股票只能对其管理有帮助，但是并不能代替公司管理。

youdao

Ben Rhodes, a deputy national security adviser, said there is no substitute for explaining to the Israeli people, face to face, what guides the president's thinking about U.S.-Israel ties.

WSJ: Obama Sets Timeline on Iran Nuclear Bomb

The ground paste was then processed and packaged as a nutritious protein substitute for people who were unable to chew meat.

BBC: 7 questions on sandwiches

But for people needing immediate information about evacuation routes, the Internet is no substitute for local radio and television newscasts, officials agree.

CNN: Hurricane Floyd wallops Web