为什么没人说话？为什么没人回答？这对我来说很难。
Why nobody spoke here? Why nobody answered it? This is difficult for me.
为什么没人说话？我的手也开始微微发抖，于是我把双手反靠在背后——像个囚犯。
Why did no one speak? My hands began to shake so I pulled them behind me-like one condemned.
没人知道为什么鹦鹉能做到这一点，或它们究竟怎样学会说话的。
Nobody knows why parrots can do this, or exactly how they do it.
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