not yet

• 尚未可知

  as yet unknown

• 至今尚未做到。

  It has not been done yet.

• 尚未利用的资源

  unutilized resource

• 有些工厂在新产品尚未大批投产之前，先在商店里设立试销专柜。

  Some factories like to trial sales of products in shops before putting them into large-scale production.