但研究人员猜测他们的判断很可能基于对钱币形状和颜色的揣摩，对其真实价值其实并不清楚。

The researchers surmised that they were working off the shape and color of the currency, however, rather than its actual value.

youdao

但研究人员猜测他们的判断很可能基于对钱币形状和颜色的揣摩，对其真实价值其实并不清楚。

The researchers surmised that they were working off the shape and color of the currency, however, rather than its actual value.

youdao