Steel has almost taken the place of timber as a supporting material.
作为一种支护材料，钢材差不多代替了木材。
But these arguments need much better supporting material than the book provides.
但是这些论点就需要比这书提供的更好的佐证材料。
Unemployment insurance fund is the material base for supporting unemployment insurance system to run.
失业保险基金是支撑失业保险制度运行的物质基础。
Unemployment insurance fund is the material base for supporting unemployment insurance system to run.
失业保险基金是支撑失业保险制度运行的物质基础。
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