in response to an expressed wish
应（某人）请求
In response to an expressed desire
应…的要求
We are offering these scarves for sale again by request.
应大众要求我们再次出售这些头巾
In great demand
受欢迎
a pianist in great request.
极受欢迎的钢琴家
When asked for
一经要求
References are available on request.
有参考资料备索