responsibility的词组如下：
1、on one's own responsibility 自作主张地?
2、responsibility profit 责任利润?
3、undertake responsibility 担负起责任?
4、undivided responsibility 单独承担的责任
5、original responsibility 原始责任
近义词
duty
英 ['dju?ti] 美 ['du?ti]
n. 义务；职责；责任；税；关税
I feel it my duty to speak frankly to you.
我觉得我有义务要坦白地对你说。