What does the dotted line outside the three-point circle on the basketball court mean?

O(∩_∩)O~ In order to adapt to the new rules of international basketball, the CBA added a dotted line outside the three-point line. This year, FIBA ??expanded the original three-point line from 6.25 to 6.75 meters. O (∩_∩)O~ CBA will use the dotted line as the three-point line in the playoffs and future seasons. The three-point line in the regular season this season is still a solid line. The dotted line is for players to adapt to the playoffs. use!