https://www.proz.com/personal-glossaries/entry/16634957-to-be-placed-on-a-retainer-%D0%BF%D0%BE%D0%BB%D1%83%D1%87%D0%B0%D0%B2%D0%B0%D0%BC-%D0%BF%D1%80%D0%B5%D0%B4%D0%B2%D0%B0%D1%80%D0%B8%D1%82%D0%B5%D0%BB%D0%B5%D0%BD-%D1%85%D0%BE%D0%BD%D0%BE%D1%80%D0%B0%D1%80-%D1%85%D0%BE%D0%BD%D0%BE%D1%80%D0%B0%D1%80-%D0%B7%D0%B0-%D1%83%D0%BF%D1%8A%D0%BB%D0%BD%D0%BE%D0%BC%D0%BE%D1%89%D0%B0%D0%B2%D0%B0%D0%BD%D0%B5