432. Another head and chief important reason I have chosen to put here is that human activity causes greenhouse effect.
本句也是主体段落中引出递进关系的句子。another表示上下文的递进关系，head and chief important reason强调观点或者原因的重要性，that引导表语从句，后面陈述具体原因。
Still another important quality is for the boss to have open and good channels of communication with their employees.
Advertising also has an indirect impact on improving our lives.
Another reason I prefer doing leisure activities outdoors is that there's always something new and different to see.
A second purpose of awards or prizes is that it promotes excellence.
The other good reason for a teenager to work is to learn the value of money.