random bulk

例句：

1. 1. The random selection of the team members was based on their skills.
   队员的随机选择是基于他们的技能。
2. 2. The random walk in the park is a common sight during the summer.
   公园里散步的人是夏天常见的景象。
3. 3. The randomness of this event has led to much speculation among experts.
   这一事件随机性导致专家们有很多猜测。