核心句型：
Let's get down to our business.
言歸正傳吧！
get down to our business這個習語直譯過來就是：“開始認真處理我們的生意”，也就是說：“言歸正傳，談正經事”。因此，當美國人說"Let's get down to our business."時，他/她要表達的意思就是:"Let's talk about our business seriously."、"Let's focus on the subject."、"Let's pay our attention to the main topics."。
情景對白：
Jane: Taylor Swift is really a power faction singer, isn't she?
簡：泰勒·斯威夫特真是一個實力派歌手，不是嗎？
Shirley: Yeah, you're right. But we have gossiped for so long. Let's get down to our business.
雪莉：嗯，確實如此。但是我們已經八卦這么久了，言歸正傳吧！
搭配句積累：
①I'm not coming here to listen to your silly jokes.
我不是來聽你這些無聊的笑話的。
②I want to know the sales performance of preceding quarter.
我想知道上一季度的銷售業績。
③We need to choose between these two schemes.
我們必須在這兩個方案中做個選擇。
④My attitude on this problem is that we can not risk our capital on a dubious business.
我對這個問題的看法是，不能冒險把資金投在一項沒把握的業務上。
單詞：
dubious adj. 無把握的
This claim seems to us to be rather dubious.
在我們看來這種說法非?？梢?。
Those figures alone are a dubious basis for such a conclusion.
僅憑那些數據就得出這種結論并不可靠。
My parents were dubious about it at first but we soon convinced them.
我父母起初對此心存疑慮，但是我們很快就讓他們信服了。