-----------------------------------
とともに， と共に
1. together with, as X, then Y (e.g. as we age we gain wisdom, as wine matures it becomes more valuable, etc.)
一起，同时
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
