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話題， わだい
1. topic, subject
2. much talked about, topical, in the news, hot
主题；备受热议的、时下热门的、新闻焦点、热门话题
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
