To carry out the metaphor a little: if you are going to cross the river, you must make haste, for if you dally on the raft, the current will carry you downstream, and out to the ocean-and then you will be stuck on the raft forever.
To carry out the metaphor a little: if you are going to cross the river, you must make haste, for if you dally on the raft, the current will carry you downstream, and out to the ocean-and then you will be stuck on the raft forever.
再将这个比喻稍作延伸：如果你要渡河，你必须抓紧时间，因为如果你在舟筏上耽搁，水流会把你冲到下游，漂进海洋，那你就要永远困在舟筏上了。