Usar "hard-and-fast rule" en una oración

1. ing arrangements and standardised them into hard-and-fast rules

2. In the extreme, there were hard-and-fast rules, such as those promulgated by each of the states for its savings banks

3. “I don’t have any hard-and-fast rules about selling

4. He had a hard-and-fast rule that has served him well, and he was rarely disappointed by his business partners

5. And the gendarmes, though they are bound by no hard-and-fast rules, still find no ground for a criminal charge in the young man, and, like the clergy, they send him back to the army