1、The distributivity property of multiplication states that for any three numbers a, b, and c, the product of a and the sum of b and c is equal to the sum of the products of a and b and a and c.
（乘法的分配性质表明对于任意三个数a、b和c，a与b和c的和的乘积等于a与b的乘积和a与c的乘积的和。）

2、This distributivity of resources is crucial for maintaining a balanced ecosystem.
（资源的分配性对于维持平衡的生态系统至关重要。）