German Chancellor Angela Merkel (L) shakes hands with visiting British Prime Minister Boris Johnson in Berlin, Germany, on Aug. 21, 2019. Angela Merkel and Boris Johnson on Wednesday reiterated the Brexit with a deal, but were different in approaches. (Xinhua/Lian Zhen)

German Chancellor Angela Merkel (L) shakes hands with visiting British Prime Minister Boris Johnson in Berlin, Germany, on Aug. 21, 2019. Angela Merkel and Boris Johnson on Wednesday reiterated the Brexit with a deal, but were different in approaches. (Xinhua/Lian Zhen)

German Chancellor Angela Merkel (L) welcomes visiting British Prime Minister Boris Johnson in Berlin, Germany, on Aug. 21, 2019. Angela Merkel and Boris Johnson on Wednesday reiterated the Brexit with a deal, but were different in approaches. (Xinhua/Lian Zhen)

German Chancellor Angela Merkel (L) welcomes visiting British Prime Minister Boris Johnson (C) in Berlin, Germany, on Aug. 21, 2019. Angela Merkel and Boris Johnson on Wednesday reiterated the Brexit with a deal, but were different in approaches. (Xinhua/Lian Zhen)

German Chancellor Angela Merkel (L) talks with visiting British Prime Minister Boris Johnson in Berlin, Germany, on Aug. 21, 2019. Angela Merkel and Boris Johnson on Wednesday reiterated the Brexit with a deal, but were different in approaches. (Xinhua/Lian Zhen)

German Chancellor Angela Merkel (R) and visiting British Prime Minister Boris Johnson attend a joint press conference in Berlin, Germany, on Aug. 21, 2019. Angela Merkel and Boris Johnson on Wednesday reiterated the Brexit with a deal, but were different in approaches. (Xinhua/Lian Zhen)

German Chancellor Angela Merkel (R) and visiting British Prime Minister Boris Johnson attend a joint press conference in Berlin, Germany, on Aug. 21, 2019. Angela Merkel and Boris Johnson on Wednesday reiterated the Brexit with a deal, but were different in approaches. (Xinhua/Lian Zhen)

German Chancellor Angela Merkel (R) and visiting British Prime Minister Boris Johnson attend a joint press conference in Berlin, Germany, on Aug. 21, 2019. Angela Merkel and Boris Johnson on Wednesday reiterated the Brexit with a deal, but were different in approaches. (Xinhua/Lian Zhen)

German Chancellor Angela Merkel (R) and visiting British Prime Minister Boris Johnson attend a joint press conference in Berlin, Germany, on Aug. 21, 2019. Angela Merkel and Boris Johnson on Wednesday reiterated the Brexit with a deal, but were different in approaches. (Xinhua/Lian Zhen)

German Chancellor Angela Merkel (R) and visiting British Prime Minister Boris Johnson attend a joint press conference in Berlin, Germany, on Aug. 21, 2019. Angela Merkel and Boris Johnson on Wednesday reiterated the Brexit with a deal, but were different in approaches. (Xinhua/Lian Zhen)