improvements
n. 提高，改进（improvement 的复数）
例句
In a double-blind trial, there were some improvements.
在一个双盲测试中，有了一些进步。
《柯林斯英汉双解大词典》
The report will itemize the cost of various improvements.
报告将逐条列记各种改进工作所需的费用。
Approximately $150 million is to be spent on improvements.
大概1.5亿美元将花在改进上。
