Have you ever noticed cultural differences between your country and another one (for example, Korea vs. the U.S., or China vs. Europe)?

Let's me speak = talk about the cultural differences between Korea and other countries. / I’d like to talk about the cultural differences between Korea and other countries.
The country is China that is near Korea and shares many cultural things. = The country I want to talk about is China, which is close to Korea and shares many cultural aspects. / I’ll talk about China, a neighboring country that shares many cultural similarities with Korea.
As I already wrote, China has similar culture in many areas, for instance foods, clothes, perspective. = As I already mentioned, China has a culture similar to Korea’s in many areas—for example, food, clothing, and perspectives.
Because of these common things, we also fight over who is the originator of the culture. / Because of these similarities, we sometimes argue over which country is the originator of certain cultural traditions. / Due to these shared elements, there are often debates about which country started a particular cultural practice.
On the other hand, there also are = are also some differences between Korea and China.
The television show about the marriage was trend in the past, so I watched a couple of Korean and Chinese. = A television show about marriage was popular in the past, so I watched an episode featuring a Korean and a Chinese couple.
Speaking of each roles of the married man and woman, = When it comes to the roles of husbands and wives, the two countries have opposite cultures.
In Korea, women usually do most house chores (for example, cooking, cleaning, miscellaneous things). / In Korean culture, women are typically responsible for most household chores like cooking and cleaning.
However, China has the opposite marriage culture that men do these works. = However, in China, the marriage culture is the opposite—men often do these chores. / In contrast, Chinese culture is the opposite; men are often responsible for housework.
When I heard it first time = first heard about it, I was very surprised because I thought it would be the same, of course.

Thank you for reading. I also will = will also not attend our class today because of a shcool event. Happy weekend!