utility
n
1 [U] quality of being useful 有用; 实用; 效用; 功用
[attrib 作定语]
a utility vehicle, ie one that can be used for various purposes 多用途车辆
the utility value of a dishwasher 洗碟机的实用价值.
2 [C] = public utility (public).
First of all, don't come in here without a teacher.
首先,没有老师领着不要进这儿。
You were very kind. You brought out all your jewellery and you told me I could take anything I wanted. There were so many beautiful things that it was hard to choose. And then I saw a lovely diamond necklace with a big blue stone in the centre.
Pierre and I borrowed the money and bought the necklace. During the next ten years we both worked day and night to pay back the money we had borrowed. That's why I now look so old. Well, after all these years we've at last paid back all the money.