"if you persist in that course you will surely fail" "once a nation is embarked on a course of action it becomes extremely difficult for any retraction to take place"
course of action是什么意思 course of action在线翻译 course of action什么意思 course of action的意思 course of action的翻译 course of action的解释 course of action的发音 course of action的同义词