英汉词典

1. 大致上；总体上；一般地说
    You use largely to say that a statement is not completely true but is mostly true.

    e.g. The fund is largely financed through government borrowing...
           该基金大致上由政府借款支持。
    e.g. I largely work with people who already are motivated...
           我大多和积极主动的人一起工作。

2. （用于说明原因）主要地
    Largely is used to introduce the main reason for a particular event or situation.

largely

    e.g. Retail sales dipped 6/10ths of a percent last month, largely because Americans were buying fewer cars...
           上月零售额下降了千分之六，主要是因为美国人买汽车少了。
    e.g. The French empire had expanded largely through military conquest.
           法兰西帝国的扩张主要靠军事征服。