right now 现在，马上;
soon 很快，一会儿;
in a minute 立即，马上;
at the moment 此刻;
sooner or later 迟早;
shortly 不久，马上;
in the future 将来;
in a few days 过几天，几天之后;
the other day 不久前的某天，几天以前;
in the past 过去;
a long time ago很久以前
