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| envelope-pushing (to push it to the limit; The term "pushing the envelope" originally comes from the field of aviation. It is a reference to the flyable portion of the atmosphere that envelopes the earth. Pilots would push the envelope when they were testing the speed or elevation limits of new aircraft. Artjaazz) | |||
| выходящий за рамки привычного: 2 phrases in 1 subject |
| General | 2 |