Right source 意思是:正确的/正当的来源
right 正确的,正当的,合适的
source
1.(河的)源头;水源
Do you know the source of Amazon River?
你知道亚马逊河的源头吗?
2.根源;来源[(+of)]
They are required to publish the sources of their campaign funds.
他们必须公布自己竞选经费的来源。
3.提供消息(或证据)者;消息(或证据)来源[P1]
The news comes from a reliable source.
这消息来自一位可靠人士。
4.出处;原始资料[P1]
The library has quantities of reference sources.
该图书馆藏有大量可供参考的原始资料。