两个都可以

toward 和towards用法一样，就是美式英语和英式英语的区别

With development of the economic and change of an attitude towards investment , it is an economic phenomenon that make real estate as investment .

随着经济的发展和投资观念的改变 , 将房地产作为投资手段已是非常普遍的经济现象。

based on the theory of political economy of trade policy , this paper probes into the determinants of Representatives ' attitude towards bilateral free trade agreements .

运用贸易政策的政治经济学方法实证研究美国众议院对美国区域性自由贸易协议的态度及其决定因素。