flex布局两个子元素的时候，为什么靠左靠右，怎么解决

Question

flex布局两个子元素的时候靠左靠右，怎么解决，三个就正常

父级
width: 1400PX;
margin: 0 auto;
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-ms-flex-wrap: wrap;
flex-wrap: wrap;
-webkit-box-pack: justify;
-ms-flex-pack: justify;
justify-content: space-between;

Answer 1

justify-content: space-between; // 去掉