His latest book, Bilingual: Life and Reality, came out in 2010.
他的新书《双语制：生活和现实》在2010年面市。
Even more, the "bilingual advantage hypothesis" is being challenged once again.
更重要的是，“双语优势假说”再次受到挑战。
They countered that no negative effects of bilingual education have been found.
他们反驳说，还未曾发现双语教育有负面影响。
Researchers now claim that earlier research on bilingual education was seriously flawed.
研究人员现声称，双语教育的早期研究存在严重缺陷。
In the past, students were recommended to buy a thick bilingual dictionary as a tool to learn English.
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 fact, most children outside of the United States are expected to become bilingual or even, in many cases, multilingual.
事实上，大多数美国以外的孩子都被期望成为双语者，或者——在很多情况下——甚至是多语者。
The students who were dominant in a foreign language weren't yet comfortably bilingual; they were just starting to learn English.
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。
Ethnically and economically balanced bilingual classrooms are found to be helpful for kids to get used to social and cultural diversity.
研究发现，在（学生）种族比例和（家庭）经济水平趋于平衡的双语课堂有助于孩子们适应社会和文化的多样性。
Young children being raised bilingual have to follow social cues to figure out which language to use with which person and in what setting.
从小在双语环境下长大的孩子必须关注社交线索，以弄明白在什么环境下与什么人交流该使用哪种语言。
Bilingual speakers often do better than monolinguals in completing certain tasks because they can concentrate better on what they are doing.
由于双语者能更好地专注于他们正在做的事情，所以他们通常比单语者在完成某些任务时做得更好。
A study found that there are similar changes in brain structure between those who are bilingual from birth and those who start learning a second language later.
一项研究发现，在双语环境下成长的人和后天开始学习第二语言的人之间，大脑结构有相似的变化。
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