Call up a strong mental image of it, and then try to keep your focus on the object for a full 5 or 10 minutes without losing your focus.

在脑子里好好把它想象出来，然后尝试把注意力集中在上面5至10分钟，而且不走神。

youdao

Call up a strong mental image of it, and then try to keep your focus on the object for a full 5 or 10 minutes without losing your focus.

在脑子里好好把它想象出来，然后尝试把注意力集中在上面5至10分钟，而且不走神。

youdao