random number program

例句：

1. 1. The results of the experiment were random, so we cannot predict what will happen next.
   实验的结果随机，所以我们无法预测接下来会发生什么。
2. 2. The lottery numbers are randomly selected, so each ticket has an equal chance of winning.
   彩票号码是随机选择的，所以每张彩票中奖的机会都是平等的。
3. 3. The weather forecast is random, so it's hard to predict the day's weather.
   天气预报是随机的，所以很难预测当天的天气。