If there are many conceptual issues, you can bring them to office hours, but please realize that there are always piecemeal hours.

如果有很多概念方面的问题，你完全可以把它们带到办公时间来，但是请认识到，总是有零零碎碎的时间的。

youdao

There's always only one me, but when I'm time traveling sometimes I go somewhere I already am, and yeah, then you could say there are two. Or more.

我总是唯一的，但是有时候我时间旅行的时候会去一些地方，我还是我，但是你也可以说有两个我，甚至是更多。

youdao

There are tools to avoid the console, but you will always be more limited by what you can do through a tool.

虽然有一些工具可以让您避免使用控制台，但是您会受到那些工具的很多限制。

youdao

When I count, there are only you and I together But when I look ahead up the white road There is always another walking beside you.

VOA: special.2010.02.24

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