Cold symptoms such as stuffy nose, runny nose and scratchy throat typically develop gradually, and adults and teens often do not get a fever.

感冒症状，如鼻塞、流鼻涕和喉咙发痒，通常是逐渐出现的，成年人和青少年通常不发烧。

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When a market is in the process of bottoming, the volume will often be gradually declining because most of the sellers are out of the market and potential buyers have no reason to buy.

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If you shampoo less often, your scalp will gradually produce less oil.

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If symptoms improve after the first five to 10 minutes (as they often do), you can gradually increase the length and effort of your workout up to about 80 percent to 90 percent of your usual routine.

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