Social networks? Let us never forget FriendFeed (even if Facebook, which bought it in 2009, has.)

谈到社交网络，我们永远也不能忘记FriendFeed(尽管Facebook于2009年收购了该网站)。

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Finally, let us take a look at another valuable feature that is often never used but once you learn how to use it, you will never forget it.

最后我们来了解另一个非常有用的功能，你有可能从来不会用，但一学会就无法忘记。

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Let it go, all right? Not worthy of memory, let us forget all, worthy of memory, let us forever in their hearts, secret forever two!

过去的就让它过去吧，好吗？不值得记忆的让我们都忘掉吧，值得记忆的就让我们永远留在各自的心底，两个人永远的秘密！

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"They didn't let us forget it in a hurry and we don't want to be that team again, " he said.

BBC: Aussies driven by fear of failure

From toothpaste to an NGO, whatever it is we are doing, let us not forget respect.

FORBES: Marketers Show Respect to Earn It

Let us never forget what happened in Berlin 23 years ago, nor the sacrifices that made it possible.

WHITEHOUSE: Presidential Proclamation -- World Freedom Day, 2012