_____ uncomfortable it may be, proper protective gear absolutely must be worn by anyone using the equipment.
\_\_\_\__ uncomfortable it may be, proper protective gear absolutely must be worn by anyone using the equipment.
让步
Both sides show no signs of backing down.
Both sides show no signs of backing down.
_____ you choose to contact us, you can expect our efficient and helpful service.
\_\_\_\__ you choose to contact us, you can expect our efficient and helpful service.