In General, we often use the term can in Thai language said, "can", but only as you can now book the tickit.You can book a ticket now, which is to say most often this behavior means that doing nothing more than what is done and can use it only to describe and show insufficient ability to communicate in English. Be able to phrase it has the same meaning and avoid doesn't apply because the speaker may choose to use this feature. Similar to that used to eat and eat with the same meaning in the Thai language.
การแปล กรุณารอสักครู่..