We always point out that losing positions, while painful, actually provide a benefit in giving an immediate indicationof which strategies aren't working.
我们总是说，赔钱虽然是件痛苦的事，实际上却也有好处，可以让你马上意识到哪些战略是行不通的。
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The terminal electrical devices of this welder are distributed at different positions. The power indication panel or terminal devices may have the danger of force electricity.