题目内容
务必确保你要学会游泳，因为这有可能意味着生还是死。（Make sure）
Make sure（that）you learn to swim, because it may mean the difference between life and death.
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题目内容
务必确保你要学会游泳，因为这有可能意味着生还是死。（Make sure）
Make sure（that）you learn to swim, because it may mean the difference between life and death.