usher in ↔ something phrasal verb ( see also ↑ usher )
to cause something new to start, or to be at the start of something new:
The discovery of oil ushered in an era of employment and prosperity.
usher in ↔ something phrasal verb ( see also ↑ usher )
to cause something new to start, or to be at the start of something new:
The discovery of oil ushered in an era of employment and prosperity.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012