translation.en: It's opt-in. You might even get Texas and South Carolina, who didn't opt into the education Race to the Top, you might even get them to opt in. Why?
translation.zh: 各州都可选择加入。甚至德克萨斯州和南卡罗莱纳州 这些未加入“力争上游教育计划”的州 都可能加入。为什么？