to join something that is already popular or successful
加入已经流行或成功的事物 (jiaru yijing liuxing huo chenggong de shiwu)
"Many people jumped on the bandwagon of budget travel."
"许多人加入了廉价旅行的潮流。" (xuren ren jiaru le lianjia lvxing de chaoliu)
to organize by separating what is needed from what is not
to have more power or advantage over others
to continue hoping even when it seems impossible
the least reliable or secure part of a system or group
very energetic and lively
to have many responsibilities or tasks
