须

• A remittance must accompany all orders .
  所有订单均须附汇款。
• We had to pick our way along the muddy track .
  我们须在泥泞小道上择路而行。
• I must weigh my words to avoid any misunderstanding .
  我须字斟句酌免生误解。
• It is important that the equipment be very rugged .
  设备须非常坚固是重要的。
• Your conduct leaves a lot to be desired .
  你的品行极须改进。
• The party must try to win back the support it has lost .
  该党须设法重获人心。
• An aircraft has to overcome the resistance of the air .
  飞机须克服空气的阻力。
• The place is expected to hold out to the last man .
  这个地方须坚守到最后一人。
• The certificate must describe the nature of the business .
  证书须证明企业性质。
• The statement requires qualification .
  这项声明须加斟酌。