Câu ví dụ #1
1. This variant, making its first appearance in Vietnam, contains two key mutations called E484Q and L452R, which have been found separately in other variants but not together in a single strain.
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2. They are playing Vat Cau -- a centuries-old sport which began as a training exercise for soldiers and contains elements of wrestling and rugby.
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3. Vat Cau is a centuries-old sport which began as a training exercise for soldiers and contains elements of wrestling and rugby.
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4. Nowadays, a dish contains a lot more than just rice noodles and tofu.
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