有雄厚的经济实力托底，我就可以放手一搏了。
With such a strong economic foundation, I can do whatever I want without further consideration.
视乎面层的要求，托底纸有各种极端不同的性质。
Depending on the requirement of the top layer, backing papers vary very much in nature.
托底纸：用来支撑面层的纸以啬强度或承托面层。
Backing paper: a base layer to give strength or support to a top layer.
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