没有行动的话，战术又是什么东东呢？
教学主题：Stuff是什么东东？
少年问，爸，这是什么东东？
金喇叭是什么东东？
他是个从麻省理工毕业的工程师，但是我觉得他依然不知道那是什么东东。
He's an engineer who graduated from MIT. I still don't think he knows what they are.
（不太明白这个是什么东东）。在一次优秀的年度考核后，我的上司通知我，只要副总裁批准，我就可以得以晋升。
After a good annual review, my supervisor told me I was up for a raise, pending approval of the vice president.
该公司最初靠做手机充电电池起家，但今年开始大规模生产内置插头的混合电动汽车（译者注：不清楚这是什么东东）。
The company initially made its name with rechargeable cell phone batteries, but this year launched mass production of a plug-in hybrid electric car.
等下，我听到你们的叫嚷声了。他们怎么知道的？那到底是什么东东呀？后现代主义——我还没理解它。我从来就没理解过它。它怎么说完就完了呢？
Wait, I hear you cry. How do they know? And what was it? Postmodernism—I didn't understand it. I never understood it. How can it be over?
今天是五月六号。S：你生日是什么时候，东东?D：九月二号。
Sandy: It's May 6. Sandy: When's your birthday, Dongdong? Dong:On September 2nd.
今天是五月六号。S：你生日是什么时候，东东?D：九月二号。
Sandy: It's May 6. Sandy: When's your birthday, Dongdong? Dong:On September 2nd.
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