As a line from the Argentine epic Martin Fierro goes, "Brothers have to be united, because this is the first law."

阿根廷史诗《马丁·菲耶罗》中有这样一句话：“兄弟之道是团结同心。”

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Kristina Fierro, a high school teacher in Bakersfield, said it would be expensive to get the materials, train the teachers and train the students to use the materials properly.

贝克斯菲尔德高中教师克里斯蒂娜·费罗认为，获得这些材料、培训老师和学生正确地使用都会十分的昂贵。

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Kristina Fierro, a high school teacher in Bakersfield, said it would be expensive to get the materials, train the teachers and train the students to use the materials properly.

贝克斯菲尔德高中教师克里斯蒂娜·费罗认为，获得这些材料、培训老师和学生正确地使用都会十分的昂贵。

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