Key Words [00:01.02]关键词 [00:02.04]The Most Common Expressions [00:03.29]最常用表达法 [00:04.55]It all depends. [00:06.86]视情况而定。 [00:09.17]It's up in the air. [00:11.36]沿未确定。 [00:13.56]I haven't decided yet. [00:16.34...