助走、準備期間、The period of time that leads up an event or occurrence: the run-up to the championship games.
- The company believes the products will sell well in the run-up to Christmas.
... Echo Dot, powered by the virtual assistant it has called Alexa, was the top selling item across its entire online store in the run-up to the holidays.
The run-up to Christmas is seeing the volume being turned up on "smart speaker" launches, as Apple, Alphabet and Sonos chase Amazon’s commanding lead in the hottest new gadget market.
Manufacturers are experimenting with a range of shapes, sizes, prices and features, in the hopes of connecting with consumers — from $400 boom boxes to alarm clock replacements.