Without such opportunities, JapaneseEnglish learners don't develop vital debate and persuasion skills that are the cornerstone of communication in English.
没有这些机会，日本英语学习者就无法获得很关键的辩论和说服技巧，而这些又是英语交流的基石。
2
She taught English to Japanese business people.
她教日本商人英语。
《柯林斯英汉双解大词典》
3
Unusually, for a Japanese politician, he's a fluent English speaker.