Answer:
It could be to explain any confusion caused by differences in language
Step-by-step explanation:
The official language in Japan is Japanese. Since some of the members of the team of Japanese corporation may not or have limited understanding of English Language, which was being used as a form of communication at the meeting, those who understand English very well among the members of the team of Japanese corporation may have to explain better in Japanese to their colleagues who do not or have limited understanding of English Language.