The float can be achieved by widening the bands or moving to an unspecified currency basket.

可以通过扩大浮动区间或过渡到盯住不规定币种的一揽子货币来实现浮动。

youdao

The central bank let the currency reach 7.1413 per dollar on Thursday, the highest level since it scrapped a dollar peg in July 2005 and allowed it to float in managed bands.

在周二，央行让人民币达到7.1413元兑一个美元，是最高水平，自从2005年1月打破固定汇率让它在管理的程度内自由浮动以来。

youdao

Either countries should float their currencies (or adopt much wider bands) or they should adopt the rigid fixity of a currency board or even currency union.

ECONOMIST: Storm clouds from Brazil