1. 有意义地：historic sightseeing 历史景观 | meaningfully 有意义地 | amalgamation 联合、合并

2. 意味深长地：-- Logically论理上, 逻辑上 | -- Meaningfully意味深长地 | -- demand forecasting需求预测

3. 意味深长的：eyebrow眉毛 | meaningfully意味深长的 | stack一堆,一叠

adv

1. in a meaningful manner
so as to be meaningful

e.g. He glanced at her meaningfully