Confidence can make or break your career. Luckily for those lacking it, self-belief is easy to boost.
信心能影响你事业的成败。幸运的是，对缺乏自信的人来说，信心是很容易提升的。
By taking concrete actions those improve your competence, your self-image, you can increase those self-confidence, lacking the help of anyone else.
经过采取具体的行动来增强你的胜任，改善你的自我形象，你本人能够渐增你的自信，而不需求更多有联系人的帮助。
As a child he was seldom encouraged by his parents and so he grew up lacking self-confidence in his abilities.
小时候，他很少受到父母鼓励，从而对自己能力缺乏自信。
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