UC知道His efforts to improve the sales of this product have been very(help)_
来源：百度知道 编辑：UC知道 时间：2024/06/17 22:09:24
为什么
helpful
他对提高产品销量所做的努力非常有效
helpful
他的努力是有用的……缺形容词……所以是helpful
话说楼主怎么老是你……回答不动了……闪了= =
helpful, 有帮助的意思
"All his efforts were a little avail" ,"All his efforts were of little avail."
spare no efforts in dong 与to do区别
went to his studys
to his much surprise
but to his surprise
To learn his system,
He________enjoyed his visit to China.
I will see difficulties as a drive and take great efforts to overcome difficulties.
一句话翻译：Most motorists questioned made no efforts to avoid among drives about safe parking
Great efforts are needed to master and apply new and high