watch American or British movies, one movie per day, 2 hrs each, turn on the subtitle, wear earphone if possible. Do it every day for 3 months and see how you improve :D You can speak when you have listened a lot

Difficult English writing

The HA filler is similar to the constituents of human body and has high biocompatibility. Cross-linked HA has a long duration in the body and has a great therapeutic effect. In addition, the HA filler can be removed and modified when the procedure is inadequate, and is currently state of the art among the other filler types.
However, there is a risk of necrosis and blindness when the HA filler is injected poorly injected into the blood vessels. Therefore, when treating the area around the eyes or areas with large blood vessels, consideration should be given to surgical procedures.

*Might need to consult an SME for content correction*

:D I would say "time"! In my situation, 24 hrs a day seems never enough, the only way to make things happen is by prioritizing and managing my time effectively.

"Hold a course" means to keep sailing or traveling in the same direction. This is a sailing related idiom.

this might do

1. He wants to borrow some money at from his friends, because he is very hungry and he wants to buy lunch,. hHis wallet is empty,. there isn,t even one dollar in it. ( hHe doesn,'t have even have one dollar in his wallet.) Being broke is not fun.
2. He isn,'t married , he is divorced. He got divorced two years ago. His wife left him, because she didn,'t love him anymore. That,'s terrible.
3. He says, that they need a new mattress,. hHe seems it,s not that the old mattress is no longer comfortable, but she his wife thinks that it,'s fine to for her,. sShe doesn,'t know what,'s wrong with this one that. He says, told her that he tossesd and turned all night. She says, all right, let,s get a new one. His wife agrees and suggests to get a new mattress.

Owe to: to be obliged to give or pay something back to someone or something else.