雕刻

And responses are a reasonable first approximation in evaluating marketing investment.

应是评价推销投资的第一手合理近似值。

These tumors, to date, have occurred over a wide age range in postpubertal females, are characteristically unilateral, and confined to the ovary at presentation.

到目前为止，这些肿瘤发生于青春期后期女性的一大段年龄范围内，特征性地出现于单侧，仅发生于卵巢。