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豊か， 豊， ゆたか
1. abundant, plentiful, rich, ample
2. rich, wealthy, affluent, well-off
3. open (mind), relaxed, easy
4. plump (e.g. breasts), full, ample
5. (well) over, (easily) in excess of
丰富、充足、充裕、大量；富有、富裕、殷实、富裕安康
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
