将“threefold"翻译成中文

If such an endeavour is to succeed, Brazil believes that a threefold policy must be pursued.

巴西认为,这一努力要取得成功,就必须推行一项三重政策。

Revenues and earnings have increased, and net sales have grown threefold.

此后,收入和利润都有所上升,净销售额翻了三倍。