我们三人的总账单是90美元，所以你的份额是30美元。

The total bill for the three of us comes to $90, so your ___share is $30.

我们必须确保每个人都得到平等的食物份额。

We must make sure that everyone gets equal ___shares of the food.

我们候选人的投票份额从39%下降到24%。

Our candidate's ___share of the vote fell from 39 percent to 24 percent.