问题描述：
急求托福TPO中的一个句子分析.(是倒装句?还是别的什么呢?)谢谢!
therefore, when observational assessment is used as a technique for studying infants perceptual abilities, care must be taken not to overgeneralize from the data or to rely on one or two studies as conclusive evidence of a particular perceptual ability of the infant.
care must be taken not to 。。。。这是什么语法啊？如何理解？
therefore, when observational assessment is used as a technique for studying infants perceptual abilities, care must be taken not to overgeneralize from the data or to rely on one or two studies as conclusive evidence of a particular perceptual ability of the infant.
care must be taken not to 。。。。这是什么语法啊？如何理解？
问题解答：
我来补答展开全文阅读