One must apply oneself to the present and keep one's eyes firmly fixed on one's future goals.
人们必须让自己立足于现在，把眼光坚定地锁定未来目标。
One suggestion is to keep the provision of special defense under the present public security but to amend it.
一种情况是在目前社会治安形势下，继续保留刑法中关于特殊防卫权的规定，但需要进一步完善法条；
On the one hand, living bacteria or parts of the biofilm compound keep on detaching again and again and thus present a microbiological source of contamination for other parts of the system.
一方面，活菌或生物膜化合物的一部分保持反复依附，因而成为系统中其它部分污染的微生物来源。
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