So, instead of money, the famous scientist handed the hotel worker a signed note with a sentence he wrote in German.

因此，爱因斯坦用德文手写了一句赠言附上签名送给了对方。

On the other hand, worker bees dine on a simpler mix of pollen and honey called beebread, which is more plant-based.

另一方面，工蜂以一种更简单的花粉和蜂蜜混合物为食， 这种混合物被称为蜂面包， 它更以植物为基础。

I learned about it from a friend of mine who, a hand worker- who was here just a couple of classes ago. He was visiting.

这个方法是我从一个朋友那里学来的，他是手工匠人，他前几节课有来过，他来看我。