Self-confidence is to be sureofoneself and one's abilities.
自信就是肯定自己以及自己的能力。
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Self-confidence is to be sureofoneself and ones abilities. It is extremely important for all to be self-confident as it is the indispensable condition to their success.
First, you need to be sureofoneself, think that what thing self does being able to make it, only when the cognition arrives at the effort passing self, self definitely can achieve self's aim.