Upgrade yourself: Without a doubt, if you find yourself lacking in knowledge and skills to make the right decisions, consider upgrading yourself.

提升你自己。去掉疑虑，如果你发现自己缺乏做出正确决定的知识和技能，那么考虑提升你自己。

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Lacking knowledge regarding the significance of ecological balance, businessmen sent out ships that insatiably chased fishes and thus posed a severe threat to all life in the sea.

由于商人们缺少对于生态平衡的认识，他们的渔船无休止地捕鱼，给海洋生物的生存造成了巨大的威胁。

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Yet we are sorely lacking in knowledge about our past, as shown by a recent National Assessment of Educational Progress.

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Lacking knowledge in art of constructive feedback?

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They let me imagine how it felt to be longed for, and that was a knowledge sadly lacking in my real life.

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