保安服务业能否不断地进一步发展壮大，高质量地开展保安勤务是其关键所在。
The key to security service is whether or not it can grow and expand steadily and carry out security duties with high quality.
保安服务业能否不断地进一步发展壮大，高质量地开展保安勤务是其关键所在。
The key to security service is whether or not it can grow and expand steadily and carry out security duties with high quality.
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