首先，大多数行为是由不止一个基因控制的，而且直到最近遗传学家还没有方法来识别其涉及的多个基因。
In the first place, most behaviors are governed by more than one gene, and until recently geneticists had no method for identifying the multiple genes involved.
您不会找到太多的工具，而且直到最近才出现许多重要的有助于传播专门知识的信息。
You won't find much tooling, and only recently a significant amount of information has been produced to help spread expertise.
教育只是为白人殖民者而办的，而且直到最近以前，还没有一所学校使用英语以外的语言进行教学。
Education was intended for white settlers only, and until very recently no school lessons were held in languages rather than English.
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