variational difference的用法和样例：
例句
- Hereafter Nets exchanges hits the inside connection, will divide the difference imminently to the number in the units place.
此后网队换上打内线，将分差迫近到个位数。 - The leopard cat launches under Wallace's leadership counter-attacks, on Felton the basket score, the leopard cat will divide the difference reduction.
山猫在华莱士的带领下展开反扑，费尔顿上篮得分，山猫将分差缩小。
