Black tea can help you concentrate. A study at the University of Northumbria found that caffeine and L-theanine in black tea leaves improves cognitive skills.
饮用红茶可以帮助您的注意力得到集中，因为红茶里面的咖啡因以及茶氨酸可以改善大脑的认知功能。
Can we help you, sir? -Yes. l have an appointment.
我可以帮你些什么？-我有一个预约。
Lost luggage clerk (l) : Yes, Sir. Can I help you?
遗失行李处职员(L)：是的。先生，我能帮你忙吗？
I 'l give you a fat tip if you can help me.
如果你能帮助我，我将给你优厚的小费。
I 'l give you a fat tip if you can help me.
如果你能帮助我，我将给你优厚的小费。
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