Three thousand dollars is no more than a portion.3000美元只不过是一部分。
You are paid your portion not later than a week. 不会晚于一周你就可以得到你那一部分报酬。

portion, part, section
参见part条。

portion还可用作动词,意思是“把…分成份额,分配”。例如:
They portioned the food out to the poor.他们将食物分发给穷人。

［同义词］   allocation
［词源］＜拉丁语portio(部分)