to·ward
prep.= to·wards
1.In the direction of:driving toward home.
2.In a position facing:had his back toward me.
3.Somewhat before in time:It began to rain toward morning.
4.With regard to; in relation to:an optimistic attitude toward the future.
5.In furtherance or partial fulfillment of:contributed five dollars toward the bill.
6.By way of achieving; with a view to:efforts toward peace.
adj.
1.Favoring success or a good outcome; propitious.
2.（often towards） Happening soon; imminent.
3.（Obsolete） Being quick to understand or learn.
在意义上,两者相同.
两者最基本的用法是做介词用,当然还有形容词的用法.
两者的差别是方言性的,即,美国人多用 toward,英国人多用towards.
要加to
