Physical factors such as population density also play a role in how tight a society is.
有形因素如人口密度也对一个社会多紧张起作用。
Just 20% say they will still splash out at Christmas even though money is tight, a significant drop on last year's 32%.
只有20%的人表示不论手头是否紧，都要一如既往地在圣诞花钱，而去年这一比例高达32%。
You don't know how tight (a. AD.) the schedule is for this business trip.
你不知道这回出差时间有多紧。
When supply is tight, a small increase in demand can have a disproportionately large effect on price.
当供应紧缩时，需求方面即使仅有小幅增长，那么在价格方面都会产生不成比例的巨大影响。
High waterproof, high gas-tight, a new type of high-strength aluminum, more colors, more choices.
高防水，高气密，高强度的新型铝窗，更多颜色，更多选择。
High waterproof, high gas-tight, a new type of high-strength aluminum, more colors, more choices.
高防水，高气密，高强度的新型铝窗，更多颜色，更多选择。
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