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You may be surprised to find that some dishes require only simple substitutions .

从中你肯定会惊喜地发现一些菜品仅仅是做些简单的替换工作就可完成。

In our last lesson , we learned how to create variables and perform substitutions with them .

在上一节里，我们学习了如何创建变量，用变量执行替换操作。

This is one of the most audacious substitutions in hitchcock 's long practice of leading and manipulating us .

在希区柯克引领与操纵观众的长期实践中，这一部电影是最为大胆的一次主角替换。

Cheese can be a trickier ingredient for substitutions , as many fat-free cheese products do not melt as well as their fatty counterparts .

奶酪是一种很好的替换材料，像许多脱脂奶酪制品和它们的相似品一样，是不能溶化的。