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css - Sass and combined child selector

I've just discovered Sass, and I've been so excited about it.

In my website I implement a tree-like navigation menu, styled using the child combinator (E > F).

Is there any way to rewrite this code with a simpler (or better) syntax in Sass?

#foo > ul > li > ul > li > a {
  color: red;
}
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Without the combined child selector you would probably do something similar to this:

foo {
  bar {
    baz {
      color: red;
    }
  }
}

If you want to reproduce the same syntax with >, you could to this:

foo {
  > bar {
    > baz {
      color: red;
    }
  }
}

This compiles to this:

foo > bar > baz {
  color: red;
}

Or in sass:

foo
  > bar
    > baz
      color: red

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