我们最好假设大多数的本地植被可以提供永久性或半永久性的遮阳效果。

It is best to assume that most native vegetation will give permanent or semi-permanent shade.

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此外，该陶瓷扩散器可方便地使用，若无维护问题可以是半永久性的，这增加了其经济优势。

In addition, the ceramic diffuser can be used conveniently and semi -permanent Iy without maintenance problems, adding to its economic advantage.

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无论是加深自然灰还是尝试大胆风格转变，半永久性的家用染发剂都是一种低风险、低成本获得最新时尚风貌的最佳选择。

Whether enhancing natural greys or experimenting with a bold transformation, semi-permanent home hair dye is a low-risk and inexpensive way to get this latest look.

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