Your gong fu has a lot of good and bad points, but I'd like to draw particular attention to problems in your footwork.
你的功夫优点和缺点并存,但我希望你能特别要注意你的步法。
So when a German buys something from a Japanese, or an Indian sells something to a Frenchman, they may all use English.
因此,当德国人从日本人那儿买东西时,或印度人把东西卖给法国人时,他们可能都用英语进行交流。