vt.& vi.有益于，有益于；使对某人有利
网络有益于；有帮助；效用；用处
1 . His efforts were to no avail.
他徒劳无功。
来自柯林斯例句
2 . I apologized repeatedly, but to little avail.
我一再道歉，但丝毫没有奏效。
来自柯林斯例句
3 . We tried to keep him alive but to no avail.
我们全力抢救他,但却徒劳无功.
来自《简明英汉词典》
4 . They tried artificial respiration but it was of no avail.
他们试做人工呼吸,可是无效.
来自《简明英汉词典》
5 . They entreated and threatened, but all this seemed of no avail.
他们时而恳求,时而威胁, 但这一切看来都没有用.
来自《简明英汉词典》
avail someone nothing of little (或 no) avail to li
1 . (古)（行动）无助于
avail (oneself) of
1 . 利用
1.a means of serving;
of no avail
1.use to one's advantage;
He availed himself of the available resources
2.be of use to, be useful to;
It will avail them to dispose of their booty
3.take or use;
She helped herself to some of the office supplies
1 . 有益于
availoneself of 利用avail有益于availability 可用性
2 . 有帮助
auxiliary adj．辅助的，补助的availvi．有益于，有帮助，有用，有利availability n．可用性，有效性，实用性.
3 . 效用
... 可得到的([of things] that can be used or obtained)(记) avail(效用)+able→ 能有用的(同) 派生词: availability (n.利用的可能性; 可以利用的人.
4 . 用处
This solution is of little availto the general public ., 这个方案对于普通民众来说没什么用处.
1 . 可供选择的
there are many credit cards available : American Express , VISA , Master Charge are some of the most popular .可供选择的信用卡种类很多，其中有些信用卡很流行，如美国运通卡、维萨卡及万事达卡等等。
1 . 空缺岗位
there is currently a disconnect in China between the number of college graduates coming into the work force each year and suitable available jobs available for them in the marketplace .目前在中国，每年加入就业大军的大学毕业生与市场上适合的空缺岗位之间存在严重的数量脱节。
1 . 手可得
the comparatively simple technology required for Information Warfare is universally available ．信息战争所需的相对简单的技术已是唾手可得
1 . 可以按
Newspapers , magazines and other services are available available for a monthly charge ., 报纸 , 杂志和其它的服务都可以按月提供.
