使用历史的价格预测电价格是可相信的。
It is conceivable to use historical prices to forecast electricity prices.
遇到可相信的朋友时，要好好和他相处，因为人的一生中，能遇到知己很不易。
When you meet the reliable friend, trying to keep good relationship with him, for it's not easy to meet a understanding friend in one's lifetime.
当你遇到可相信的朋友时：要好好和他相处下去，因为在人的一生中，可遇到知己真的不易。
When you meet a friend you can trust: to get along well with him, because in human life, can be really difficult to face confidant.
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