你可以这样描述某物如何好：The silk is of very good quality(这里的丝绸质量非常好)。
You can describe how good something is by saying: The silk is of very good quality.
这是一种表达方式，我们用来描述某人或某物在同一个地方待了很长时间。
It's an expression we use to describe someone or something that's been in the same place for a very long time.
也许一个更精确的描述是‘从某物上割下’。
Perhaps even more accurate would be the phrase 'a cut above something.
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