a instituition provides many dgital books to students in a school ... paper books
for use to replace
for use in place of
to use them to replace
to use them .......
纠结AC纠结了半天 总感觉直接 to replace 不就好了嘛,本来选的A 提交前改成了C... 但总感觉c的them包括语义都有点问题...
A吧,找了个Forbes的例句:They're also developing LEDs for use in endoscopic surgery to replace the xenon lights currently in use, which are bulky and don't last long. idiom?欢迎讨论
https://www.forbes.com/forbes/2009/0112/040.html
我觉得是B诶,找到一篇OG逻辑的句子 Tanco is considering a plan to use potassium chloride in place of common salt.
对照楼上给的例句,They're also developing LEDs for use in endoscopic surgery to replace the xenon lights currently in use,for use后面应该还有一个对应的结构in use