When Dan got to class the next day, he saw a sign on the wall.
第二天，当丹来到教室时，他看到墙上有一块牌子。
When the product managers and the developers aren’t on the same page, or they don’t understand what the other is trying to do, that’s a sign of the wall.
如果产品经理和开发人员无法达成共识，或者不了解对方的工作，显然他们之间也存在着那堵“墙”。
There was a weird sign on the wall in the bathroom, it struck me as odd, it read something along the lines of: If you don't wash your hands you can die!
洗手间的墙上有个奇怪的标志，旁边还有几行字：如果你不洗手，你会死！
Carville put a sign on the wall as a constant reminder of what the campaign was about. It had just three lines.
卡维尔在墙上挂了一个标语牌，时时提醒大家竞选的重心。
If the child is drawing on the wall often, it may be a sign that the child is troubled, angry or not receiving enough nurturing.
假如小孩常常在墙上绘画，有可能是小孩焦躁、赌气、或者没有得到脚够的照顾。
Sam mand Molly blew up balloons, put streamers on the ceiling and hung a sign on the wall that says, "Happy Birthday."
山姆和莫莉吹气球，把饰带在天花板和墙上挂一个标志说，“生日快乐。”
Sam mand Molly blew up balloons, put streamers on the ceiling and hung a sign on the wall that says, "Happy Birthday."
山姆和莫莉吹气球，把饰带在天花板和墙上挂一个标志说，“生日快乐。”
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