1.b> . pli> , ; signs of improvement / ; improvement of international relations ; improvement in one's health ; improvement in building ; improvement in traffic regulation ; to devise improvements ; to show a great / substantial, remarkable / improvement / ; there is much room for improvement i> , i> ; an improvement on / upon / smth. ) / ; ) , i> ;
2.b> .i> pl i> , ..i>, , ..i> i> ; we are making some improvements to our house ;
3.b> . i> , i> ; prompt improvement of an opportunity ;
4.b> .-.i> , ;
5.b> .i> (i>).