使用'Back'、'Through'、'With'、'At'和'By'的短语动词 - 执行一个动作（由）

to put something aside for future use

to save money for future use or needs

to follow the rules, commands, or wishes of someone, showing compliance to their authority

to visit or stop by a place for a brief period

to visit a place or someone briefly, often without a prior arrangement

to tell someone about an idea, especially to know their opinion about it

to pass a certain point in time

to continue moving forward, particularly in reference to time

to be capable of living or doing something using the available resources, knowledge, money, etc.

to have just enough money or resources to survive, but not much more

to refrain from taking action when it is necessary

to remain committed to someone or something, especially during challenging or difficult times

to be certain that something is good or useful