1、在某方面有所改进
... improves; improved; improving; improvement n 改良，进步 improve in 在某方面有所改进 improve on/upon 对......作出改进 ...
2、好些
... improve sth.把原物改进 improve on 另做一物比原物更好 improve in 有改进, 好些 improvement in 表示原物有改进,好转 ...
3、有改进
... improve sth. (make sth. better)把原物改进 improve in (=get better)有改进，好些 improvement in表示原物有改进，好转 ...
improve oneself in sth在某方面有进步
improve sb in在
Improve conditions in prisons改善监狱的条件
Improve performance in practice在练习中提高成绩
improve oneself in在某方面提高自己
improve students in english培养学生的交际能力
improve education in rural China改善中国农村教育
Improve the in-flight services提高机舱服务质素