-----------------------------------
話す， 咄す， はなす
1. to talk, to speak, to converse, to chat
2. to tell, to explain, to narrate, to mention, to describe, to discuss
3. to speak (a language)
说，讲；告诉，解释，说明
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
