While most researchers in that fieldfocus on ethnic minorities, Kaufmann does the opposite: he studies the behavior of ethnic majorities, particularly whites in the United States and Britain.
On-the-field success and high participation in sports is not random—it requires focus and dedication to athletics.
场上的成功和对运动的高度参与并不是随机的——它需要对运动的专注和奉献。
3
First, all of the fields use the placeholder attribute. This is an HTML5 feature that causes the placeholder text to be shown until that field gains focus.