Definition
to coordinate an event or activity so that it coincides or integrates with another event or activity, or to be organized in such a manner
结合在一起计划；同步进行计划
We need to plan to tie the meeting in with the product launch.
我们需要计划使会议与产品发布会同步进行。
She tried to tie her travel plans in with her friend's birthday party.
她试图将她的旅行计划与朋友的生日派对结合在一起。
To increase participation, the event organizers decided to tie the charity sale in with the local music festival.
为了增加参与度，活动组织者决定将慈善销售与当地音乐节结合在一起。