You definitely need a way to find out the part you want to see among the huge number of "gear wheel", else you will get in trouble.
毫无疑问，您需要一种方法来在大量“齿轮”中找到您所需的部分，否则您将遇到麻烦。
He is in trouble, so he is in great need of your hand.
他陷入麻烦之中，所以他急需你的帮助。
He is in trouble, so he is in great need of your hand.
他陷入麻烦之中，所以他急需你的帮助。
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