该句使用时间状语从句表达行动与反思的关系。
"Those who leave me, that yesterday cannot be stayed." Yesterday is gone forever and can never be relived. Tomorrow has not yet arrived, and you can never foresee tomorrow's sunrise. The life we possess in reality is only today, and it is always only today. To be more specific, your life is this very instant; nothing else belongs to you.
Thinking of you, thinking of you until my heart breaks; missing you, missing you until I stay sleepless all night; loving you, loving you until my heart melts; longing for you, longing for you until day and night fade away; waiting for you, waiting for you until the seas dry up and the mountains crumble!
What matters in life is not where you come from, but where you are going. While you are head down working, make sure to look up and check your direction. If the direction is wrong, all efforts are in vain.
Every journey and every relationship leaves memories behind. When a path is not yet completed, if you encounter a fork in the road, do not turn out of curiosity, otherwise you might find yourself on the wrong path with no way back. Similarly, when a relationship is not yet over, if you encounter a turning point, do not choose to give up due to temporary confusion, lest you find yourself with no way back when regret sets in.
Living alone is difficult, but you must learn to be independent and not rely too heavily on others. This is to ensure that when those around you leave, you can still live well.
Work is work, and life is life. In work, we play professional roles; in life, we return to our true selves. Work is only a small part of life; never mistake your means of survival for the entirety of your existence!
"弃我去者，昨日之日不可留"。昨天已然逝去，无法重来；明天尚未到来，也无法预见。我们在现实中所拥有的生命仅仅是今天，而且永远只有今天。说得更确切些，你的生命就是眼前的这一瞬，其余的都不属于你。
想你想你，想得肝肠寸断；念你念你，念得整夜不眠；爱你爱你，爱得心头发软；盼你盼你，盼得天昏地暗；等你等你，等到海枯石烂！
人生重要的不是你从哪里来，而是你到哪里去。当你在埋头工作的时候，一定要抬头看看前进的方向。如果方向错了，再怎么努力也是徒劳。
每段路，每段情都会留下回忆。当一条路没有走完时，若在中途看到岔路口，不要因一时好奇而转弯，以免发现自己走错了路却已没有回头路可走；在一段情还没有结束时，若看到一个转折点，不要因一时迷茫而选择放弃，等到后悔之后再回头，却发现已无路可走。
一个人生活虽然很难，但也必须学会独立，不要轻易依赖别人。这是为了防止当身边的人离开时，你依然能够好好活下去。
工作是工作，生活是生活。工作上，我们扮演的是职务角色；生活中，我们回归的是自我。工作只是生命中很小的一部分，切勿把谋生的工具当成人生的全部！
"If the direction is wrong, all effort is in vain."
"We should have a clear expectation of the direction of our lives"
"The earlier you find your direction, the sooner you achieve meaningful success."
"What matters most is not where you stand now, but the direction in which you are heading."
"There is no need to be lost in life."