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
とは
1. indicates word or phrase being defined
2. used for quoting (thoughts, speech, etc.)
3. with
4. (not) as much as, (not) so much as
5. the fact that, to think that, such a thing as
tbd
