1.He sat down and unlaced his boot.

1.他坐来，开始靴子。

2.He raises his shoe to unlace it, and catches the sight of the slippers.

2.他翘起只脚来，看见了拖。

3.It has a website, but it still has to unlace the knotty problem facing all weeklies trying to manage themselves into an online future — what does a Web-based weekly look like?

3.商业周刊拥有个网站，但是它仍需要决临的难题，同时也是所有周刊杂志所临的问题，就是将来如何转变成为家网上杂志，家以网站为基础的周刊看起来如何？