The rest is a set of relationships between OPPOSITE CONCEPTS that generate different formal tensions: lightness / massiveness; opacity / transparency; filled / void or abstraction / figuration.

剩下的是一系列产生不同张力的对立概念： 轻盈/厚重；不透明/ 透明；填充/ 中空或者抽象/ 成形。

youdao

The Shariah black box is yet another financial fad like the sub-prime market where transparency is shrouded in opacity in the mad rush to market-share and quick profits.

CENTERFORSECURITYPOLICY: Shariah��s Black Box