We usually ask several different people to come to our meeting each time.
We ask different people to come to each of our meetings.
ーWe usually ask several different people to come to our meeting each time.
「通常、毎回集まりに異なる複数の人を呼びます」
several different people で「異なる複数の人」
ーWe ask different people to come to each of our meetings.
「毎回集まりに異なる人が来るよう呼びます」
to ask ... to come to each of meetings で「毎回の集まりに来るよう呼ぶ」
ご参考まで！
カナダ 
