首先，你需要知道伦勃朗在画布上使用颜料的技巧——他的笔触，他的颜料有多厚。

First of all, you'll need to know the techniques Rembrandt used when he applied paint to canvas—his brushstrokes, how thickly he applied his paint.

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你不需要每天去杂货店，也不必掌握很多技巧。

You don't have to hit the grocery store daily, nor do you need an abundance of skill.

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当你画画的时候，你需要使用这些技巧来更好地控制你的铅笔。

You need to use the skills to control your pencil better when you are drawing pictures.

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