Before we talk about how to do it-- and we don't have perfect ways to do it yet but I'll describe some of the ways that are used, I want to talk just briefly on this slide about what the goals for gene therapy might be.

在讲具体怎么做之前--,现在还没有任何一种方法是完美的,但我还是要讲讲一些已经应用的方法,我借助这张幻灯片简要介绍一下,基因治疗的可能目标

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The "I'd rather" pattern is used to indirectly express that you don't want to do something.

I'd rather”句型是用来间接地表达你不想做某件事。

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But I couldn't do my face so I used to have a white face and brown legs.

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"I used to get really stressed out when I couldn't succeed, and now I'm just like: I do my best, " she said.

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The fraudster used my ID and I ended up getting a bad name for something that wasn't to do with me.

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