商务英文，翻译在这里at least指的是什么!??

Business ethics and social responsibility are important because everyone is a member of at least one shareholder group such as consumer,employees,investor or members of society,Since the action of a business can have far reaching consequences on the lives of others,ethical considerations should be a part of all business decision-making.

翻译在这里at least指的是什么!??不是突然冒出来，很不通顺!?

one man stayed at the wheel应该怎样翻译？at在这里是什么用法？ 别克凯越1.6at le在京哪里售价最低 at how 在这里是什么意思,什么结构? 英文商务函电（延迟交货期）翻译 帮我翻译 一段英文‘ 关于商务 帮忙翻译一些词，英文，商务 这里的at all什么意思？后一句如何翻译？ 06款凯越1.6LE AT 翻译人员在商务谈判中的作用？ 翻译在商务谈判中的作用