Regional economic integration has become an unstoppable trend throughout the world. 地区经济融合成为世界上不可阻挡的潮流。
Even so, for many school systems, economic integration is a route to racial diversity that may avoid legal challenges. 即使如此，在许多学校，经济融合仍然是一种可以避免法律纷争的实现多样化的途径。
