During the selection and tailoring activities, you still might want to include your own content and link that into the existing available material.

在选择和裁剪活动的过程中，你可能还需要包括进你自己的内容并把它链接到已有的材料中。

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In the days before plastic and rubber became mainstream, wood was a cheap, readily available material for making strong, waterproof shoes that were perfect for working long days in the fields.

在塑料和橡胶尚未成为主流的时期，木头是一种廉价又随处可得的材料，可用来制造坚固、防水的鞋子，适于长时间在田间劳作时穿。

youdao

In the days before plastic and rubber became mainstream, wood was a cheap, readily available material for making strong, waterproof shoes that were perfect for working long days in the fields.

在塑料和橡胶尚未成为主流的时期，木头是一种廉价又随处可得的材料，可用来制造坚固、防水的鞋子，适于长时间在田间劳作时穿。

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