It requires respect for each other's competence, a level of trust and a desire to reach the same goal; it doesn't need birthday cards and a shared interest in quiltmaking.

它需要尊重彼此的能力、一定程度的信任，以及实现相同目标的愿望。它不需要生日贺卡，也不需要有缝被子的共同爱好。