約束を守らない政治家は多い。
tbd
Many politicians fail to keep their word.
Many politicians don't keep their promises.
There are many politicians who don't keep their promises.
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多い， おおい
1. many, numerous, a lot
2. large amount of, large quantity of, a lot, much
3. frequent, common
多的，很多的；大量；经常，通常
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