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沿う， そう
1. to run along, to run beside, to stick to (a line)
2. to follow (a policy, plan, etc.), to act in accordance with, to align with
3. to meet (wishes, expectations, etc.), to satisfy, to comply with, to live up to
沿着跑，紧贴（一条线）；遵循（政策、计划等），按照……行事，与……保持一致；满足（愿望、期望等），满足，符合，达到
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
に
1. at (place, time), in, on, during
2. to (direction, state), toward, into
3. for (purpose)
4. because of (reason), for, with
5. by, from
6. as (i.e. in the role of)
7. per, in, for, a (e.g. "once a month")
8. and, in addition to
9. if, although
tbd
