His proposal that the system should be changed was rejected.
他提的关于修改制度的建议被拒绝了。
My friend, what you should know is that something will never be changed.
朋友，你要知道，有些东西永远不会改变。
That means you should not get angry when something bad happens and cannot be changed.
这就意味着当有坏事发生或事情不可改变时，你不应当生气。
The valve inside that tire has just been changed, so it should be OK.
她那个车胎的气门芯是新换的，应该没问题。
The valve inside that tire has just been changed, so it should be OK.
她那个车胎的气门芯是新换的，应该没问题。
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