感觉这些公司不公开此信息就像它们把脏衣服藏起来一样，我不觉得这是这些公司的问题。
I don't think it's a question of companies feeling like they're hiding dirty laundry by not giving this information out.
我觉得，最好是创建古董似的，脏旧的材质和物体。
In my opinion, it is very good for creating antique, dirty materials and objects.
有没有其他更好的方法？我觉得上面有点脏，要使用较少的JS我可以，如果可能的话。
Is there any other better way? I feel like the above are sorta dirty, and want to use as less JS as I can, if possible.
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