他是通晓一种亚洲语言和英语的双语使用者。
更重要的是，“双语优势假说”再次受到挑战。
Even more, the "bilingual advantage hypothesis" is being challenged once again.
他们反驳说，还未曾发现双语教育有负面影响。
They countered that no negative effects of bilingual education have been found.
他的新书《双语制：生活和现实》在2010年面市。
His latest book, Bilingual: Life and Reality, came out in 2010.
研究人员现声称，双语教育的早期研究存在严重缺陷。
Researchers now claim that earlier research on bilingual education was seriously flawed.
过去，学生会被建议去买一本厚厚的双语词典作为学习英语的工具。
In the past, students were recommended to buy a thick bilingual dictionary as a tool to learn English.
近年来，科学家开始表明双语的优势比与更多人进行交流更为重要。
In recent years, scientists have begun to show that the advantages of bilingualism are even more important than being able to converse with a wider range of people.
那些主要说外语的学生并不完全是双语使用者，他们才刚刚开始学英语。
The students who were dominant in a foreign language weren't yet comfortably bilingual; they were just starting to learn English.
索瑞斯说：“双语者可以集中注意力而不分心，不同任务间进行切换的能力也有所提高。”
"Bilinguals can pay focused attention without being distracted and also improve in the ability to switch from one task to another," says Sorace.
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