由此可見，語言是與他人交流、理解他人文化以至適應環境、融入異國社會之鑰

由此可見，語言是與他人交流、理解他人文化以至適應環境、融入異國社會之鑰。

結果 (英文) 1:

It can be seen that language is the key to communicating with others, understanding their culture, adapting to the environment, and integrating into a foreign society.

結果 (英文) 2:

It can be seen that language is the key to communicate with others, understand other people's culture and even adapt to the environment and integrate into a foreign society.

結果 (英文) 3:

It can be seen that language is the key to communicate with others, to understand other people's culture, to adapt to the environment and to integrate into foreign society.