1. And while these industries are pioneering the most exciting new technologies, some critics fear that profit-minded companies will only develop services for the wealthy.
    尽管这些企业在最令人振奋的新技术上领先，一些批评者仍担心追逐利润的企业会只开发面向富人的服务项目。

2. In the pioneering day, however, this was not the case at all.
    然而在登山运动的初期, 情况就迥然不同.

3. In the pioneering days, however, this was not the case at all.
    然而，在登山运动的初期，全然不是这种情况。