Swimming is an excellent cross-training activity for running because it's not weight-bearing, so it gives your joints (which take a lot of stress when you're running) a break.
游泳是非常棒的一种交叉训练方式。 因为它不需要承重，能让关节（在跑步的时候可是给承受了很大的压力啊）休息。
Don't cross the line by believing that a stronger informal relationship gives you the ability to break the rules of the workplace.
不要想去越过界限，绝对不能因为自恃和上司的交情比别人好，就有能力去违反工作中的规章制度。
On examining it he found that the door was not a door; it had neither hinges, cross-bars, lock, nor fissure in the middle; the iron bands traversed it from side to side without any break.
仔细看了以后，他才知道那并不是门。 它既没有门斗，也没有铰链，既没有锁，中间也没有缝。
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