不过囿于一种综合艺术，亦正如艺术本身，有着复杂而繁多的科系。

But relying on an integrated art, and as art itself, has a complex range of departments.

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又或者把资料储存在光碟中代替厚而繁多的纸张，在整理资料时也较为方便。

Also or stores up the material in the disc replaces thick and the many paper, when reorganizes the material is also more convenient.

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而针对种类繁多的纳米颗粒对人体健康的影响，我们更是完全地一无所知。

And it is completely unknown what impact a wide variety of these nanoparticles might have on human health.

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