He was making no great roads, setting up no sure sea communications. 他沒有修建巨大的道路，沒有建立可靠的海上交通。
The safety of marine traffic and operations of port facilities were protected by taking appropriate marine traffic measures. 海事處採取適當的海上交通措施，從而保障海上交通安全和港口設施的運作。
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