把这四个变量看成是四元的而不是选出三个组合成三角形，它的优点在于：它给质量上带来了很多显著的帮助。

The merit of viewing the four as a tetrad rather than selecting only three to form a triangle is that it gives greater prominence to quality.

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很明显，这样显著的案件只不过是昂贵笔记本电脑丢失事件被公开的冰山一角而已。

Clearly, such headline cases are merely the well-publicised tip of an iceberg of pricey portables that disappear.

youdao

但是，最显著的区别是，六角形的图标现在不见了。

But the most notable difference is that the hexagonal outline around the ICONS is now gone.

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