not a scratch的意思|示意

If you play with a cat, you must not mind her scratch.

与猫一起玩耍，切勿嫌猫爪。

Thus it is not just to build a complicated heating network from scratch.

这不仅是从零开始建设这么复杂的城市管网系统的事儿。

Although China still lacks the technical expertise of Western manufacturers, CACC argues that the need for quieter, more fuel-efficient planes means that starting from scratch is not such a bad thing.

尽管中国仍然缺乏西方制造商的专业技术，中国商飞声称，由于需要更安静，更省油的飞机，这意味着从头开始并不是件坏事。

The hotel sign on the semi-cut trigger the appropriate position in the cardboard and then covered with a cut, so as not to scratch the plating surface of the hotel sign.

把酒店标牌半成品放在剪扳机的合适位置， 外地标识牌设计在上面盖一张纸板后再剪切，以免把酒店标牌表面的电镀划伤。

As an example a TableGrid written by a third party in GWT from scratch could still perform really poorly, and not display consistently on all browsers.

以由第三方编写的TableGrid为例，它是用GWT从头开始编写的，执行起来仍然很糟糕，而且在所有浏览器显示并不一致。

We've seen this branching construct in Scratch, we've seen it a moment ago on the slide, and see, we just need else if to use not an else, not just an if but an else if.

我们看到了这个Scratch的分支结构，我们看到刚才在幻灯片中，了解到，我们不需要，用一个else，也不只是用一个if，而是用一个。